40615872 has 56 divisors (see below), whose sum is σ = 117238272. Its totient is φ = 12307200.

The previous prime is 40615867. The next prime is 40615889. The reversal of 40615872 is 27851604.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7504 + ... + 11727.

Almost surely, 2^40615872 is an apocalyptic number.

It is an amenable number.

40615872 is an abundant number, since it is smaller than the sum of its proper divisors (76622400).

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

40615872 is a wasteful number, since it uses less digits than its factorization.

40615872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19257 (or 19247 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 40615872 is about 6373.0582925311. The cubic root of 40615872 is about 343.7414679094.

The spelling of 40615872 in words is "forty million, six hundred fifteen thousand, eight hundred seventy-two".