40857484 has 12 divisors (see below), whose sum is σ = 73244808. Its totient is φ = 19930400.

The previous prime is 40857469. The next prime is 40857517. The reversal of 40857484 is 48475804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124402 + ... + 124729.

It is an arithmetic number, because the mean of its divisors is an integer number (6103734).

Almost surely, 2^40857484 is an apocalyptic number.

It is an amenable number.

40857484 is a deficient number, since it is larger than the sum of its proper divisors (32387324).

40857484 is a wasteful number, since it uses less digits than its factorization.

40857484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249176 (or 249174 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 40857484 is about 6391.9859198844. The cubic root of 40857484 is about 344.4217267786.

The spelling of 40857484 in words is "forty million, eight hundred fifty-seven thousand, four hundred eighty-four".