Search a number
-
+
40040804000 = 255347373571
BaseRepresentation
bin100101010010100111…
…100010111010100000
310211100111211121001202
4211102213202322200
51124000421212000
630221113220332
72615151134621
oct452247427240
9124314747052
1040040804000
1115a87a9875a
1279157016a8
133a1166b042
141d1bb8da48
151095396dd5
hex9529e2ea0

40040804000 has 192 divisors, whose sum is σ = 100919250432. Its totient is φ = 15606144000.

The previous prime is 40040803969. The next prime is 40040804033. The reversal of 40040804000 is 40804004.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70123715 + ... + 70124285.

It is an arithmetic number, because the mean of its divisors is an integer number (525621096).

Almost surely, 240040804000 is an apocalyptic number.

40040804000 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 40040804000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50459625216).

40040804000 is an abundant number, since it is smaller than the sum of its proper divisors (60878446432).

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

40040804000 is a wasteful number, since it uses less digits than its factorization.

40040804000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The spelling of 40040804000 in words is "forty billion, forty million, eight hundred four thousand".