44551988660 has 48 divisors (see below), whose sum is σ = 94091760000. Its totient is φ = 17719473024.

The previous prime is 44551988651. The next prime is 44551988681. The reversal of 44551988660 is 6688915544.

44551988660 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 = 44551988596 and 44551988605.

It is a congruent number.

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, 8351354 + ... + 8356686.

It is an arithmetic number, because the mean of its divisors is an integer number (1960245000).

Almost surely, 2^44551988660 is an apocalyptic number.

It is an amenable number.

44551988660 is an abundant number, since it is smaller than the sum of its proper divisors (49539771340).

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

44551988660 is a wasteful number, since it uses less digits than its factorization.

44551988660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 44551988660 in words is "forty-four billion, five hundred fifty-one million, nine hundred eighty-eight thousand, six hundred sixty".