48640438836 has 36 divisors (see below), whose sum is σ = 134129696064. Its totient is φ = 14739526800.

The previous prime is 48640438829. The next prime is 48640438849. The reversal of 48640438836 is 63883404684.

48640438836 is a `hidden beast` number, since 486 + 40 + 43 + 8 + 83 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 61414300 + ... + 61415091.

Almost surely, 2^48640438836 is an apocalyptic number.

It is an amenable number.

48640438836 is an abundant number, since it is smaller than the sum of its proper divisors (85489257228).

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

48640438836 is a wasteful number, since it uses less digits than its factorization.

48640438836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122829412 (or 122829407 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 54.

The spelling of 48640438836 in words is "forty-eight billion, six hundred forty million, four hundred thirty-eight thousand, eight hundred thirty-six".