48638274736644 has 18 divisors (see below), whose sum is σ = 122946750028830. Its totient is φ = 16212758245536.

The previous prime is 48638274736627. The next prime is 48638274736651. The reversal of 48638274736644 is 44663747283684.

48638274736644 is a `hidden beast` number, since 4 + 8 + 6 + 38 + 27 + 473 + 66 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31623887214144 + 17014387522500 = 5623512^2 + 4124850^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675531593529 + ... + 675531593600.

Almost surely, 2^{48638274736644} is an apocalyptic number.

It is an amenable number.

48638274736644 is an abundant number, since it is smaller than the sum of its proper divisors (74308475292186).

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

48638274736644 is a wasteful number, since it uses less digits than its factorization.

48638274736644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351063187139 (or 1351063187134 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 72.

The spelling of 48638274736644 in words is "forty-eight trillion, six hundred thirty-eight billion, two hundred seventy-four million, seven hundred thirty-six thousand, six hundred forty-four".