64242046606464 has 96 divisors (see below), whose sum is σ = 187893725146140. Its totient is φ = 21062966077440.

The previous prime is 64242046606393. The next prime is 64242046606489. The reversal of 64242046606464 is 46460664024246.

64242046606464 is a `hidden beast` number, since 6 + 4 + 2 + 4 + 20 + 4 + 6 + 606 + 4 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63821053260864 + 420993345600 = 7988808^2 + 648840^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 64242046606464.

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, 457025347 + ... + 457165890.

Almost surely, 2^{64242046606464} is an apocalyptic number.

64242046606464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64242046606464 is an abundant number, since it is smaller than the sum of its proper divisors (123651678539676).

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

64242046606464 is a wasteful number, since it uses less digits than its factorization.

64242046606464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914191318 (or 914191303 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 54.

The spelling of 64242046606464 in words is "sixty-four trillion, two hundred forty-two billion, forty-six million, six hundred six thousand, four hundred sixty-four".