40872972 has 24 divisors (see below), whose sum is σ = 108994816. Its totient is φ = 11677968.

The previous prime is 40872959. The next prime is 40873013. The reversal of 40872972 is 27927804.

40872972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40872972² = 3341199680225568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40872972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243208 + ... + 243375.

Almost surely, 2^40872972 is an apocalyptic number.

40872972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40872972 is an abundant number, since it is smaller than the sum of its proper divisors (68121844).

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

40872972 is a wasteful number, since it uses less digits than its factorization.

40872972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486597 (or 486595 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40872972 is about 6393.1973221542. The cubic root of 40872972 is about 344.4652416933.

The spelling of 40872972 in words is "forty million, eight hundred seventy-two thousand, nine hundred seventy-two".