40522540 has 24 divisors (see below), whose sum is σ = 86298912. Its totient is φ = 15980160.

The previous prime is 40522499. The next prime is 40522561. The reversal of 40522540 is 4522504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12849 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (3595788).

Almost surely, 2^40522540 is an apocalyptic number.

It is an amenable number.

40522540 is an abundant number, since it is smaller than the sum of its proper divisors (45776372).

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

40522540 is a wasteful number, since it uses less digits than its factorization.

40522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28617 (or 28615 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40522540 is about 6365.7316940003. The cubic root of 40522540 is about 343.4779692447.

The spelling of 40522540 in words is "forty million, five hundred twenty-two thousand, five hundred forty".