45520515220 has 12 divisors (see below), whose sum is σ = 95593082004. Its totient is φ = 18208206080.

The previous prime is 45520515203. The next prime is 45520515223. The reversal of 45520515220 is 2251502554.

It is a happy number.

45520515220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33557843344 + 11962671876 = 183188^2 + 109374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45520515223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138012861 + ... + 1138012900.

It is an arithmetic number, because the mean of its divisors is an integer number (7966090167).

Almost surely, 2^45520515220 is an apocalyptic number.

It is an amenable number.

45520515220 is an abundant number, since it is smaller than the sum of its proper divisors (50072566784).

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

45520515220 is a wasteful number, since it uses less digits than its factorization.

45520515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276025770 (or 2276025768 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 45520515220 in words is "forty-five billion, five hundred twenty million, five hundred fifteen thousand, two hundred twenty".