40572940 has 12 divisors (see below), whose sum is σ = 85203216. Its totient is φ = 16229168.

The previous prime is 40572937. The next prime is 40572941. The reversal of 40572940 is 4927504.

It is not an unprimeable number, because it can be changed into a prime (40572941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014304 + ... + 1014343.

It is an arithmetic number, because the mean of its divisors is an integer number (7100268).

Almost surely, 2^40572940 is an apocalyptic number.

It is an amenable number.

40572940 is an abundant number, since it is smaller than the sum of its proper divisors (44630276).

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

40572940 is a wasteful number, since it uses less digits than its factorization.

40572940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028656 (or 2028654 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 40572940 is about 6369.6891603908. The cubic root of 40572940 is about 343.6203107467.

It can be divided in two parts, 405729 and 40, that added together give a square (405769 = 637²).

The spelling of 40572940 in words is "forty million, five hundred seventy-two thousand, nine hundred forty".