42951546864 has 80 divisors (see below), whose sum is σ = 126293895840. Its totient is φ = 13967976960.

The previous prime is 42951546731. The next prime is 42951546887. The reversal of 42951546864 is 46864515924.

It is a happy number.

42951546864 is a `hidden beast` number, since 4 + 2 + 9 + 515 + 4 + 68 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 42951546864.

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, 1194787 + ... + 1230210.

It is an arithmetic number, because the mean of its divisors is an integer number (1578673698).

Almost surely, 2^42951546864 is an apocalyptic number.

It is an amenable number.

42951546864 is an abundant number, since it is smaller than the sum of its proper divisors (83342348976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42951546864 is a wasteful number, since it uses less digits than its factorization.

42951546864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425055 (or 2425043 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 42951546864 in words is "forty-two billion, nine hundred fifty-one million, five hundred forty-six thousand, eight hundred sixty-four".