40855724 has 24 divisors (see below), whose sum is σ = 87997728. Its totient is φ = 16162560.

The previous prime is 40855723. The next prime is 40855741. The reversal of 40855724 is 42755804.

It is not an unprimeable number, because it can be changed into a prime (40855723) 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, 55757 + ... + 56484.

It is an arithmetic number, because the mean of its divisors is an integer number (3666572).

Almost surely, 2^40855724 is an apocalyptic number.

It is an amenable number.

40855724 is an abundant number, since it is smaller than the sum of its proper divisors (47142004).

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

40855724 is a wasteful number, since it uses less digits than its factorization.

40855724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112265 (or 112263 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 40855724 is about 6391.8482460083. The cubic root of 40855724 is about 344.4167812061.

The spelling of 40855724 in words is "forty million, eight hundred fifty-five thousand, seven hundred twenty-four".