40902974 has 16 divisors (see below), whose sum is σ = 70627200. Its totient is φ = 17402904.

The previous prime is 40902973. The next prime is 40903061. The reversal of 40902974 is 47920904.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40902973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8564 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (4414200).

Almost surely, 2^40902974 is an apocalyptic number.

40902974 is a deficient number, since it is larger than the sum of its proper divisors (29724226).

40902974 is a wasteful number, since it uses less digits than its factorization.

40902974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 40902974 is about 6395.5432920120. The cubic root of 40902974 is about 344.5495037216.

The spelling of 40902974 in words is "forty million, nine hundred two thousand, nine hundred seventy-four".