44657871980 has 48 divisors (see below), whose sum is σ = 97038980640. Its totient is φ = 17242982400.

The previous prime is 44657871977. The next prime is 44657872037. The reversal of 44657871980 is 8917875644.

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, 3526460 + ... + 3539100.

It is an arithmetic number, because the mean of its divisors is an integer number (2021645430).

Almost surely, 2^44657871980 is an apocalyptic number.

It is an amenable number.

44657871980 is an abundant number, since it is smaller than the sum of its proper divisors (52381108660).

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

44657871980 is a wasteful number, since it uses less digits than its factorization.

44657871980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18770 (or 18768 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 44657871980 in words is "forty-four billion, six hundred fifty-seven million, eight hundred seventy-one thousand, nine hundred eighty".