45544415320 has 64 divisors (see below), whose sum is σ = 106227547200. Its totient is φ = 17553231360.

The previous prime is 45544415309. The next prime is 45544415339. The reversal of 45544415320 is 2351444554.

It is a self number, because there is not a number n which added to its sum of digits gives 45544415320.

It is a congruent number.

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, 524610 + ... + 605230.

It is an arithmetic number, because the mean of its divisors is an integer number (1659805425).

Almost surely, 2^45544415320 is an apocalyptic number.

45544415320 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 45544415320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53113773600).

45544415320 is an abundant number, since it is smaller than the sum of its proper divisors (60683131880).

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

45544415320 is a wasteful number, since it uses less digits than its factorization.

45544415320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81148 (or 81144 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 45544415320 its reverse (2351444554), we get a palindrome (47895859874).

The spelling of 45544415320 in words is "forty-five billion, five hundred forty-four million, four hundred fifteen thousand, three hundred twenty".