455915992500 has 720 divisors, whose sum is σ = 1580273350656. Its totient is φ = 114715440000.

The previous prime is 455915992459. The next prime is 455915992501. The reversal of 455915992500 is 5299519554.

455915992500 is a `hidden beast` number, since 45 + 5 + 9 + 1 + 5 + 9 + 92 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455915992501) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 809797219 + ... + 809797781.

Almost surely, 2^455915992500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455915992500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790136675328).

455915992500 is an abundant number, since it is smaller than the sum of its proper divisors (1124357358156).

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

455915992500 is a wasteful number, since it uses less digits than its factorization.

455915992500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 3645000, while the sum is 54.

The spelling of 455915992500 in words is "four hundred fifty-five billion, nine hundred fifteen million, nine hundred ninety-two thousand, five hundred".