42015455564 has 24 divisors (see below), whose sum is σ = 74426640960. Its totient is φ = 20750794704.

The previous prime is 42015455543. The next prime is 42015455623. The reversal of 42015455564 is 46555451024.

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, 2835527 + ... + 2850305.

It is an arithmetic number, because the mean of its divisors is an integer number (3101110040).

Almost surely, 2^42015455564 is an apocalyptic number.

It is an amenable number.

42015455564 is a deficient number, since it is larger than the sum of its proper divisors (32411185396).

42015455564 is a wasteful number, since it uses less digits than its factorization.

42015455564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23429 (or 23427 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 42015455564 in words is "forty-two billion, fifteen million, four hundred fifty-five thousand, five hundred sixty-four".