64876442130 has 40 divisors (see below), whose sum is σ = 174445546572. Its totient is φ = 17300384352.

The previous prime is 64876442093. The next prime is 64876442159. The reversal of 64876442130 is 3124467846.

64876442130 is a `hidden beast` number, since 6 + 4 + 8 + 76 + 442 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60328693161 + 4547748969 = 245619^2 + 67437^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40046377 + ... + 40047996.

Almost surely, 2^64876442130 is an apocalyptic number.

64876442130 is an abundant number, since it is smaller than the sum of its proper divisors (109569104442).

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

64876442130 is a wasteful number, since it uses less digits than its factorization.

64876442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80094392 (or 80094383 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 64876442130 in words is "sixty-four billion, eight hundred seventy-six million, four hundred forty-two thousand, one hundred thirty".