40538974 has 24 divisors (see below), whose sum is σ = 70958160. Its totient is φ = 17319456.

The previous prime is 40538963. The next prime is 40538987. The reversal of 40538974 is 47983504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55399 + ... + 56125.

It is an arithmetic number, because the mean of its divisors is an integer number (2956590).

Almost surely, 2^40538974 is an apocalyptic number.

40538974 is a deficient number, since it is larger than the sum of its proper divisors (30419186).

40538974 is a wasteful number, since it uses less digits than its factorization.

40538974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 40538974 is about 6367.0223809878. The cubic root of 40538974 is about 343.5243957031.

The spelling of 40538974 in words is "forty million, five hundred thirty-eight thousand, nine hundred seventy-four".