44921873472 has 84 divisors (see below), whose sum is σ = 138260846160. Its totient is φ = 12834818304.

The previous prime is 44921873461. The next prime is 44921873497. The reversal of 44921873472 is 27437812944.

It is a tau number, because it is divible by the number of its divisors (84).

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, 2378022 + ... + 2396837.

Almost surely, 2^44921873472 is an apocalyptic number.

44921873472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44921873472 is an abundant number, since it is smaller than the sum of its proper divisors (93338972688).

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

44921873472 is a wasteful number, since it uses less digits than its factorization.

44921873472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774888 (or 4774871 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 44921873472 in words is "forty-four billion, nine hundred twenty-one million, eight hundred seventy-three thousand, four hundred seventy-two".