44523212520 has 64 divisors (see below), whose sum is σ = 135563238720. Its totient is φ = 11695647744.

The previous prime is 44523212519. The next prime is 44523212621. The reversal of 44523212520 is 2521232544.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760817 + ... + 2776896.

It is an arithmetic number, because the mean of its divisors is an integer number (2118175605).

Almost surely, 2^44523212520 is an apocalyptic number.

44523212520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44523212520 is an abundant number, since it is smaller than the sum of its proper divisors (91040026200).

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

44523212520 is a wasteful number, since it uses less digits than its factorization.

44523212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537794 (or 5537790 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 44523212520 in words is "forty-four billion, five hundred twenty-three million, two hundred twelve thousand, five hundred twenty".