40723924 has 24 divisors (see below), whose sum is σ = 74178720. Its totient is φ = 19546464.

The previous prime is 40723919. The next prime is 40723937. The reversal of 40723924 is 42932704.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 8142 + ... + 12154.

It is an arithmetic number, because the mean of its divisors is an integer number (3090780).

Almost surely, 2^40723924 is an apocalyptic number.

It is an amenable number.

40723924 is a deficient number, since it is larger than the sum of its proper divisors (33454796).

40723924 is a wasteful number, since it uses less digits than its factorization.

40723924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40723924 is about 6381.5299106092. The cubic root of 40723924 is about 344.0460209747.

The spelling of 40723924 in words is "forty million, seven hundred twenty-three thousand, nine hundred twenty-four".