44889338880 has 132 divisors (see below), whose sum is σ = 155540549892. Its totient is φ = 11970478080.

The previous prime is 44889338849. The next prime is 44889338903. The reversal of 44889338880 is 8883398844.

44889338880 is a `hidden beast` number, since 448 + 8 + 9 + 33 + 88 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20132204544 + 24757134336 = 141888^2 + 157344^2 .

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, 441001 + ... + 533160.

Almost surely, 2^44889338880 is an apocalyptic number.

44889338880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44889338880 is an abundant number, since it is smaller than the sum of its proper divisors (110651211012).

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

44889338880 is a wasteful number, since it uses less digits than its factorization.

44889338880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974192 (or 974171 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 63.

The spelling of 44889338880 in words is "forty-four billion, eight hundred eighty-nine million, three hundred thirty-eight thousand, eight hundred eighty".