45440224032 has 96 divisors (see below), whose sum is σ = 136967169024. Its totient is φ = 12921350400.

The previous prime is 45440223989. The next prime is 45440224043. The reversal of 45440224032 is 23042204454.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18444 + ... + 302027.

It is an arithmetic number, because the mean of its divisors is an integer number (1426741344).

Almost surely, 2^45440224032 is an apocalyptic number.

45440224032 is a gapful number since it is divisible by the number (42) 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 45440224032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68483584512).

45440224032 is an abundant number, since it is smaller than the sum of its proper divisors (91526944992).

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

45440224032 is a wasteful number, since it uses less digits than its factorization.

45440224032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320702 (or 320694 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 45440224032 its reverse (23042204454), we get a palindrome (68482428486).

The spelling of 45440224032 in words is "forty-five billion, four hundred forty million, two hundred twenty-four thousand, thirty-two".