45221919344 has 80 divisors (see below), whose sum is σ = 101116123392. Its totient is φ = 19191665664.

The previous prime is 45221919329. The next prime is 45221919367. The reversal of 45221919344 is 44391912254.

It is a junction number, because it is equal to n+sod(n) for n = 45221919295 and 45221919304.

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, 5162072 + ... + 5170824.

Almost surely, 2^45221919344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45221919344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50558061696).

45221919344 is an abundant number, since it is smaller than the sum of its proper divisors (55894204048).

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

45221919344 is a wasteful number, since it uses less digits than its factorization.

45221919344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9214 (or 9208 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The spelling of 45221919344 in words is "forty-five billion, two hundred twenty-one million, nine hundred nineteen thousand, three hundred forty-four".