40931572 has 24 divisors (see below), whose sum is σ = 78593760. Its totient is φ = 18497760.

The previous prime is 40931551. The next prime is 40931581. The reversal of 40931572 is 27513904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5278 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (3274740).

Almost surely, 2^40931572 is an apocalyptic number.

It is an amenable number.

40931572 is a deficient number, since it is larger than the sum of its proper divisors (37662188).

40931572 is a wasteful number, since it uses less digits than its factorization.

40931572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391 (or 5389 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 40931572 is about 6397.7786770097. The cubic root of 40931572 is about 344.6297842020.

It can be divided in two parts, 4093 and 1572, that added together give a palindrome (5665).

The spelling of 40931572 in words is "forty million, nine hundred thirty-one thousand, five hundred seventy-two".