44389337220 has 36 divisors (see below), whose sum is σ = 134647656780. Its totient is φ = 11837156544.

The previous prime is 44389337203. The next prime is 44389337231. The reversal of 44389337220 is 2273398344.

44389337220 is a `hidden beast` number, since 44 + 389 + 3 + 3 + 7 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4746934404 + 39642402816 = 68898^2 + 199104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 123303535 + ... + 123303894.

Almost surely, 2^44389337220 is an apocalyptic number.

It is an amenable number.

44389337220 is an abundant number, since it is smaller than the sum of its proper divisors (90258319560).

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

44389337220 is a wasteful number, since it uses less digits than its factorization.

44389337220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246607444 (or 246607439 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 44389337220 in words is "forty-four billion, three hundred eighty-nine million, three hundred thirty-seven thousand, two hundred twenty".