44387997912 has 48 divisors (see below), whose sum is σ = 120534765000. Its totient is φ = 14756950656.

The previous prime is 44387997853. The next prime is 44387997943. The reversal of 44387997912 is 21979978344.

44387997912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 44387997912.

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, 786037 + ... + 840612.

Almost surely, 2^44387997912 is an apocalyptic number.

It is an amenable number.

44387997912 is an abundant number, since it is smaller than the sum of its proper divisors (76146767088).

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

44387997912 is a wasteful number, since it uses less digits than its factorization.

44387997912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627040 (or 1627033 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 44387997912 in words is "forty-four billion, three hundred eighty-seven million, nine hundred ninety-seven thousand, nine hundred twelve".