44145514520 has 32 divisors (see below), whose sum is σ = 99586782720. Its totient is φ = 17612094720.

The previous prime is 44145514493. The next prime is 44145514597. The reversal of 44145514520 is 2541554144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425461 + ... + 1456100.

It is an arithmetic number, because the mean of its divisors is an integer number (3112086960).

Almost surely, 2^44145514520 is an apocalyptic number.

44145514520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44145514520 is an abundant number, since it is smaller than the sum of its proper divisors (55441268200).

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

44145514520 is a wasteful number, since it uses less digits than its factorization.

44145514520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881955 (or 2881951 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 44145514520 in words is "forty-four billion, one hundred forty-five million, five hundred fourteen thousand, five hundred twenty".