40731892 has 48 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 18547200.

The previous prime is 40731871. The next prime is 40731893. The reversal of 40731892 is 29813704.

40731892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40731893) 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 15 ways as a sum of consecutive naturals, for example, 168892 + ... + 169132.

It is an arithmetic number, because the mean of its divisors is an integer number (1626240).

Almost surely, 2^40731892 is an apocalyptic number.

It is an amenable number.

40731892 is a deficient number, since it is larger than the sum of its proper divisors (37327628).

40731892 is a wasteful number, since it uses less digits than its factorization.

40731892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 40731892 is about 6382.1541817791. The cubic root of 40731892 is about 344.0684580719.

The spelling of 40731892 in words is "forty million, seven hundred thirty-one thousand, eight hundred ninety-two".