40942538 has 32 divisors (see below), whose sum is σ = 77145600. Its totient is φ = 16193520.

The previous prime is 40942523. The next prime is 40942547. The reversal of 40942538 is 83524904.

It is a junction number, because it is equal to n+sod(n) for n = 40942498 and 40942507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6623 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (2410800).

Almost surely, 2^40942538 is an apocalyptic number.

40942538 is a deficient number, since it is larger than the sum of its proper divisors (36203062).

40942538 is a wasteful number, since it uses less digits than its factorization.

40942538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40942538 is about 6398.6356358211. The cubic root of 40942538 is about 344.6605581057.

The spelling of 40942538 in words is "forty million, nine hundred forty-two thousand, five hundred thirty-eight".