33139838260464 has 80 divisors (see below), whose sum is σ = 94158362145792. Its totient is φ = 9979918550784.

The previous prime is 33139838260457. The next prime is 33139838260537. The reversal of 33139838260464 is 46406283893133.

It is a junction number, because it is equal to n+sod(n) for n = 33139838260398 and 33139838260407.

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, 564957004 + ... + 565015659.

Almost surely, 2^{33139838260464} is an apocalyptic number.

It is an amenable number.

33139838260464 is an abundant number, since it is smaller than the sum of its proper divisors (61018523885328).

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

33139838260464 is a wasteful number, since it uses less digits than its factorization.

33139838260464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129972734 (or 1129972728 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 60.

The spelling of 33139838260464 in words is "thirty-three trillion, one hundred thirty-nine billion, eight hundred thirty-eight million, two hundred sixty thousand, four hundred sixty-four".