42013566664 has 32 divisors (see below), whose sum is σ = 81329149440. Its totient is φ = 20326003200.

The previous prime is 42013566613. The next prime is 42013566671. The reversal of 42013566664 is 46666531024.

It is a self number, because there is not a number n which added to its sum of digits gives 42013566664.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2889637 + ... + 2904139.

It is an arithmetic number, because the mean of its divisors is an integer number (2541535920).

Almost surely, 2^42013566664 is an apocalyptic number.

It is an amenable number.

42013566664 is a deficient number, since it is larger than the sum of its proper divisors (39315582776).

42013566664 is a wasteful number, since it uses less digits than its factorization.

42013566664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26221 (or 26217 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 42013566664 in words is "forty-two billion, thirteen million, five hundred sixty-six thousand, six hundred sixty-four".