40974492 has 24 divisors (see below), whose sum is σ = 102961936. Its totient is φ = 12607488.

The previous prime is 40974491. The next prime is 40974509. The reversal of 40974492 is 29447904.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 40974492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40974491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131173 + ... + 131484.

Almost surely, 2^40974492 is an apocalyptic number.

It is an amenable number.

40974492 is an abundant number, since it is smaller than the sum of its proper divisors (61987444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40974492 is a wasteful number, since it uses less digits than its factorization.

40974492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262677 (or 262675 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40974492 is about 6401.1320873733. The cubic root of 40974492 is about 344.7501993453.

The spelling of 40974492 in words is "forty million, nine hundred seventy-four thousand, four hundred ninety-two".