40372501356 has 144 divisors (see below), whose sum is σ = 117002121600. Its totient is φ = 12026504160.

The previous prime is 40372501331. The next prime is 40372501373. The reversal of 40372501356 is 65310527304.

40372501356 is a `hidden beast` number, since 403 + 72 + 50 + 135 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40372501356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 744831 + ... + 797193.

Almost surely, 2^40372501356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40372501356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58501060800).

40372501356 is an abundant number, since it is smaller than the sum of its proper divisors (76629620244).

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

40372501356 is a wasteful number, since it uses less digits than its factorization.

40372501356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52457 (or 52438 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 40372501356 in words is "forty billion, three hundred seventy-two million, five hundred one thousand, three hundred fifty-six".