48431905644 has 24 divisors (see below), whose sum is σ = 117921162240. Its totient is φ = 15442056784.

The previous prime is 48431905607. The next prime is 48431905657. The reversal of 48431905644 is 44650913484.

It is a happy number.

48431905644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 48431905593 and 48431905602.

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, 87738684 + ... + 87739235.

It is an arithmetic number, because the mean of its divisors is an integer number (4913381760).

Almost surely, 2^48431905644 is an apocalyptic number.

It is an amenable number.

48431905644 is an abundant number, since it is smaller than the sum of its proper divisors (69489256596).

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

48431905644 is a wasteful number, since it uses less digits than its factorization.

48431905644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175477949 (or 175477947 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 48431905644 in words is "forty-eight billion, four hundred thirty-one million, nine hundred five thousand, six hundred forty-four".