455227775220 has 48 divisors (see below), whose sum is σ = 1276091324928. Its totient is φ = 121255639680.

The previous prime is 455227775207. The next prime is 455227775227. The reversal of 455227775220 is 22577722554.

It is a self number, because there is not a number n which added to its sum of digits gives 455227775220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455227775227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272996 + ... + 4378235.

It is an arithmetic number, because the mean of its divisors is an integer number (26585235936).

Almost surely, 2^455227775220 is an apocalyptic number.

It is an amenable number.

455227775220 is an abundant number, since it is smaller than the sum of its proper divisors (820863549708).

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

455227775220 is a wasteful number, since it uses less digits than its factorization.

455227775220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652120 (or 8652118 counting only the distinct ones).

The product of its (nonzero) digits is 2744000, while the sum is 48.

The spelling of 455227775220 in words is "four hundred fifty-five billion, two hundred twenty-seven million, seven hundred seventy-five thousand, two hundred twenty".