40155370272 has 120 divisors (see below), whose sum is σ = 123230612736. Its totient is φ = 12803142528.

The previous prime is 40155370261. The next prime is 40155370301. The reversal of 40155370272 is 27207355104.

40155370272 is a `hidden beast` number, since 4 + 0 + 15 + 5 + 370 + 272 = 666.

It is a super-2 number, since 2×40155370272² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 277168 + ... + 396399.

Almost surely, 2^40155370272 is an apocalyptic number.

It is an amenable number.

40155370272 is an abundant number, since it is smaller than the sum of its proper divisors (83075242464).

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

40155370272 is a wasteful number, since it uses less digits than its factorization.

40155370272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673612 (or 673595 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 40155370272 in words is "forty billion, one hundred fifty-five million, three hundred seventy thousand, two hundred seventy-two".