Search a number
-
+
4040800000 = 28555051
BaseRepresentation
bin1111000011011001…
…1011011100000000
3101102121110220112021
43300312123130000
531233421100000
61504544211224
7202064143006
oct36066333400
911377426467
104040800000
111793a20936
12949309b14
134c5208423
142a4934a76
15189b3411a
hexf0d9b700

4040800000 has 108 divisors (see below), whose sum is σ = 10083620232. Its totient is φ = 1616000000.

The previous prime is 4040799979. The next prime is 4040800009. The reversal of 4040800000 is 80404.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040800009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797475 + ... + 802525.

It is an arithmetic number, because the mean of its divisors is an integer number (93366854).

Almost surely, 24040800000 is an apocalyptic number.

4040800000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5041810116).

4040800000 is an abundant number, since it is smaller than the sum of its proper divisors (6042820232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040800000 is an frugal number, since it uses more digits than its factorization.

4040800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4040800000 is about 63567.2871845260. The cubic root of 4040800000 is about 1592.7799684722.

Adding to 4040800000 its reverse (80404), we get a palindrome (4040880404).

The spelling of 4040800000 in words is "four billion, forty million, eight hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3125 3200 4000 5000 5051 6250 6400 8000 10000 10102 12500 16000 20000 20204 25000 25255 32000 40000 40408 50000 50510 80000 80816 100000 101020 126275 160000 161632 200000 202040 252550 323264 400000 404080 505100 631375 646528 800000 808160 1010200 1262750 1293056 1616320 2020400 2525500 3156875 3232640 4040800 5051000 6313750 6465280 8081600 10102000 12627500 15784375 16163200 20204000 25255000 31568750 32326400 40408000 50510000 63137500 80816000 101020000 126275000 161632000 202040000 252550000 404080000 505100000 808160000 1010200000 2020400000 4040800000