40724956 has 12 divisors (see below), whose sum is σ = 72926392. Its totient is φ = 19888848.

The previous prime is 40724953. The next prime is 40724969. The reversal of 40724956 is 65942704.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40724953) 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, 118215 + ... + 118558.

Almost surely, 2^40724956 is an apocalyptic number.

It is an amenable number.

40724956 is a deficient number, since it is larger than the sum of its proper divisors (32201436).

40724956 is a wasteful number, since it uses less digits than its factorization.

40724956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236820 (or 236818 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 40724956 is about 6381.6107684502. The cubic root of 40724956 is about 344.0489271493.

The spelling of 40724956 in words is "forty million, seven hundred twenty-four thousand, nine hundred fifty-six".