455540915520 has 140 divisors (see below), whose sum is σ = 1620439270164. Its totient is φ = 121477570560.

The previous prime is 455540915507. The next prime is 455540915551. The reversal of 455540915520 is 25519045554.

455540915520 is a `hidden beast` number, since 4 + 5 + 5 + 5 + 4 + 0 + 91 + 552 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99361126656 + 356179788864 = 315216^2 + 596808^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8761521 + ... + 8813360.

Almost surely, 2^455540915520 is an apocalyptic number.

455540915520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455540915520 is an abundant number, since it is smaller than the sum of its proper divisors (1164898354644).

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

455540915520 is a wasteful number, since it uses less digits than its factorization.

455540915520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17574910 (or 17574891 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 455540915520 in words is "four hundred fifty-five billion, five hundred forty million, nine hundred fifteen thousand, five hundred twenty".