48816091644 has 24 divisors (see below), whose sum is σ = 113935344768. Its totient is φ = 16267583280.

The previous prime is 48816091637. The next prime is 48816091691. The reversal of 48816091644 is 44619061884.

It is a happy number.

It is a congruent number.

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, 510022 + ... + 598125.

It is an arithmetic number, because the mean of its divisors is an integer number (4747306032).

Almost surely, 2^48816091644 is an apocalyptic number.

It is an amenable number.

48816091644 is an abundant number, since it is smaller than the sum of its proper divisors (65119253124).

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

48816091644 is a wasteful number, since it uses less digits than its factorization.

48816091644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111825 (or 1111823 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 48816091644 in words is "forty-eight billion, eight hundred sixteen million, ninety-one thousand, six hundred forty-four".