40668125524 has 36 divisors (see below), whose sum is σ = 79722343260. Its totient is φ = 18122657280.

The previous prime is 40668125507. The next prime is 40668125581. The reversal of 40668125524 is 42552186604.

It can be written as a sum of positive squares in 6 ways, for example, as 954810000 + 39713315524 = 30900^2 + 199282^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017637 + ... + 1056844.

It is an arithmetic number, because the mean of its divisors is an integer number (2214509535).

Almost surely, 2^40668125524 is an apocalyptic number.

It is an amenable number.

40668125524 is a deficient number, since it is larger than the sum of its proper divisors (39054217736).

40668125524 is a wasteful number, since it uses less digits than its factorization.

40668125524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074540 (or 2074525 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 40668125524 in words is "forty billion, six hundred sixty-eight million, one hundred twenty-five thousand, five hundred twenty-four".