40310972 has 24 divisors (see below), whose sum is σ = 76146000. Its totient is φ = 18562176.

The previous prime is 40310971. The next prime is 40310981. The reversal of 40310972 is 27901304.

40310972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310971) by changing a digit.

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, 37904 + ... + 38952.

It is an arithmetic number, because the mean of its divisors is an integer number (3172750).

Almost surely, 2^40310972 is an apocalyptic number.

It is an amenable number.

40310972 is a deficient number, since it is larger than the sum of its proper divisors (35835028).

40310972 is a wasteful number, since it uses less digits than its factorization.

40310972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 40310972 is about 6349.0922185774. The cubic root of 40310972 is about 342.8791602593.

The spelling of 40310972 in words is "forty million, three hundred ten thousand, nine hundred seventy-two".