40725665774 has 32 divisors (see below), whose sum is σ = 63544642560. Its totient is φ = 19554796800.

The previous prime is 40725665759. The next prime is 40725665791. The reversal of 40725665774 is 47756652704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4613537 + ... + 4622355.

It is an arithmetic number, because the mean of its divisors is an integer number (1985770080).

Almost surely, 2^40725665774 is an apocalyptic number.

40725665774 is a deficient number, since it is larger than the sum of its proper divisors (22818976786).

40725665774 is a wasteful number, since it uses less digits than its factorization.

40725665774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 40725665774 in words is "forty billion, seven hundred twenty-five million, six hundred sixty-five thousand, seven hundred seventy-four".