44668994944 has 32 divisors (see below), whose sum is σ = 101701731600. Its totient is φ = 19143854592.

The previous prime is 44668994933. The next prime is 44668994947. The reversal of 44668994944 is 44949986644.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 44668994944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44668994947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24925999 + ... + 24927790.

Almost surely, 2^44668994944 is an apocalyptic number.

It is an amenable number.

44668994944 is an abundant number, since it is smaller than the sum of its proper divisors (57032736656).

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

44668994944 is an equidigital number, since it uses as much as digits as its factorization.

44668994944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49853810 (or 49853798 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 67.

The spelling of 44668994944 in words is "forty-four billion, six hundred sixty-eight million, nine hundred ninety-four thousand, nine hundred forty-four".