40570940 has 24 divisors (see below), whose sum is σ = 87948672. Its totient is φ = 15704640.

The previous prime is 40570939. The next prime is 40570951. The reversal of 40570940 is 4907504.

It is a congruent number.

It is an unprimeable number.

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, 32099 + ... + 33338.

It is an arithmetic number, because the mean of its divisors is an integer number (3664528).

Almost surely, 2^40570940 is an apocalyptic number.

It is an amenable number.

40570940 is an abundant number, since it is smaller than the sum of its proper divisors (47377732).

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

40570940 is a wasteful number, since it uses less digits than its factorization.

40570940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65477 (or 65475 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 40570940 is about 6369.5321649239. The cubic root of 40570940 is about 343.6146645211.

The spelling of 40570940 in words is "forty million, five hundred seventy thousand, nine hundred forty".