45552513280 has 144 divisors (see below), whose sum is σ = 113401774080. Its totient is φ = 17510621184.

The previous prime is 45552513277. The next prime is 45552513313. The reversal of 45552513280 is 8231525554.

It is a super-2 number, since 2×45552513280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 8275009 + ... + 8280511.

It is an arithmetic number, because the mean of its divisors is an integer number (787512320).

Almost surely, 2^45552513280 is an apocalyptic number.

45552513280 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 45552513280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56700887040).

45552513280 is an abundant number, since it is smaller than the sum of its proper divisors (67849260800).

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

45552513280 is a wasteful number, since it uses less digits than its factorization.

45552513280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776 (or 5762 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 45552513280 in words is "forty-five billion, five hundred fifty-two million, five hundred thirteen thousand, two hundred eighty".