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4040143240 = 2357113127691
BaseRepresentation
bin1111000011001111…
…1011000110001000
3101102120020112121211
43300303323012020
531233234040430
61504522142504
7202055436160
oct36063730610
911376215554
104040143240
111793612461
12949051a34
134c5038503
142a48035a0
15189a5472a
hexf0cfb188

4040143240 has 64 divisors (see below), whose sum is σ = 10480959360. Its totient is φ = 1372922880.

The previous prime is 4040143213. The next prime is 4040143249. The reversal of 4040143240 is 423410404.

4040143240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4040143249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32206 + ... + 95485.

It is an arithmetic number, because the mean of its divisors is an integer number (163764990).

Almost surely, 24040143240 is an apocalyptic number.

4040143240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040143240 is an abundant number, since it is smaller than the sum of its proper divisors (6440816120).

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

4040143240 is a wasteful number, since it uses less digits than its factorization.

4040143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127822 (or 127818 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4040143240 is about 63562.1211099818. The cubic root of 4040143240 is about 1592.6936711342.

Adding to 4040143240 its reverse (423410404), we get a palindrome (4463553644).

The spelling of 4040143240 in words is "four billion, forty million, one hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 113 140 226 280 452 565 791 904 1130 1582 2260 3164 3955 4520 6328 7910 15820 31640 127691 255382 510764 638455 893837 1021528 1276910 1787674 2553820 3575348 4469185 5107640 7150696 8938370 14429083 17876740 28858166 35753480 57716332 72145415 101003581 115432664 144290830 202007162 288581660 404014324 505017905 577163320 808028648 1010035810 2020071620 4040143240