65425650405264 has 40 divisors (see below), whose sum is σ = 187795848386720. Its totient is φ = 21808550134944.

The previous prime is 65425650405259. The next prime is 65425650405281. The reversal of 65425650405264 is 46250405652456.

65425650405264 is a `hidden beast` number, since 6 + 5 + 4 + 25 + 6 + 50 + 40 + 526 + 4 = 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 65425650405264.

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, 75724131982 + ... + 75724132845.

It is an arithmetic number, because the mean of its divisors is an integer number (4694896209668).

Almost surely, 2^{65425650405264} is an apocalyptic number.

It is an amenable number.

65425650405264 is an abundant number, since it is smaller than the sum of its proper divisors (122370197981456).

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

65425650405264 is a wasteful number, since it uses less digits than its factorization.

65425650405264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151448264844 (or 151448264832 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 54.

The spelling of 65425650405264 in words is "sixty-five trillion, four hundred twenty-five billion, six hundred fifty million, four hundred five thousand, two hundred sixty-four".