44449368920 has 64 divisors (see below), whose sum is σ = 115520839200. Its totient is φ = 15212615680.

The previous prime is 44449368917. The next prime is 44449368961. The reversal of 44449368920 is 2986394444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2963735 + ... + 2978694.

Almost surely, 2^44449368920 is an apocalyptic number.

44449368920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44449368920 is an abundant number, since it is smaller than the sum of its proper divisors (71071470280).

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

44449368920 is a wasteful number, since it uses less digits than its factorization.

44449368920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942468 (or 5942464 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 44449368920 in words is "forty-four billion, four hundred forty-nine million, three hundred sixty-eight thousand, nine hundred twenty".