45318220344 has 48 divisors (see below), whose sum is σ = 122853832920. Its totient is φ = 15091675200.

The previous prime is 45318220331. The next prime is 45318220349. The reversal of 45318220344 is 44302281354.

45318220344 is a `hidden beast` number, since 4 + 531 + 82 + 2 + 0 + 3 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 45318220299 and 45318220308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45318220349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223767 + ... + 375110.

Almost surely, 2^45318220344 is an apocalyptic number.

It is an amenable number.

45318220344 is an abundant number, since it is smaller than the sum of its proper divisors (77535612576).

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

45318220344 is a wasteful number, since it uses less digits than its factorization.

45318220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599940 (or 599933 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 45318220344 in words is "forty-five billion, three hundred eighteen million, two hundred twenty thousand, three hundred forty-four".