44509474920 has 128 divisors (see below), whose sum is σ = 140474736000. Its totient is φ = 11265623040.

The previous prime is 44509474901. The next prime is 44509474943. The reversal of 44509474920 is 2947490544.

It is a self number, because there is not a number n which added to its sum of digits gives 44509474920.

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 31 ways as a sum of consecutive naturals, for example, 96930 + ... + 313710.

It is an arithmetic number, because the mean of its divisors is an integer number (1097458875).

Almost surely, 2^44509474920 is an apocalyptic number.

44509474920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44509474920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70237368000).

44509474920 is an abundant number, since it is smaller than the sum of its proper divisors (95965261080).

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

44509474920 is a wasteful number, since it uses less digits than its factorization.

44509474920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216883 (or 216879 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 44509474920 in words is "forty-four billion, five hundred nine million, four hundred seventy-four thousand, nine hundred twenty".