45502102720 has 224 divisors, whose sum is σ = 115395451200. Its totient is φ = 17066409984.

The previous prime is 45502102699. The next prime is 45502102721. The reversal of 45502102720 is 2720120554.

It is not an unprimeable number, because it can be changed into a prime (45502102721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37023066 + ... + 37024294.

Almost surely, 2^45502102720 is an apocalyptic number.

45502102720 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 45502102720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57697725600).

45502102720 is an abundant number, since it is smaller than the sum of its proper divisors (69893348480).

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

45502102720 is a wasteful number, since it uses less digits than its factorization.

45502102720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 45502102720 in words is "forty-five billion, five hundred two million, one hundred two thousand, seven hundred twenty".