40812568 has 16 divisors (see below), whose sum is σ = 76870080. Its totient is φ = 20313888.

The previous prime is 40812559. The next prime is 40812571. The reversal of 40812568 is 86521804.

It is a congruent number.

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, 9655 + ... + 13222.

It is an arithmetic number, because the mean of its divisors is an integer number (4804380).

Almost surely, 2^40812568 is an apocalyptic number.

It is an amenable number.

40812568 is a deficient number, since it is larger than the sum of its proper divisors (36057512).

40812568 is a wasteful number, since it uses less digits than its factorization.

40812568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23106 (or 23102 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 40812568 is about 6388.4714916794. The cubic root of 40812568 is about 344.2954690558.

The spelling of 40812568 in words is "forty million, eight hundred twelve thousand, five hundred sixty-eight".