2455564634220 has 96 divisors (see below), whose sum is σ = 6916330713600. Its totient is φ = 650938788864.

The previous prime is 2455564634219. The next prime is 2455564634249. The reversal of 2455564634220 is 224364655542.

It is a self number, because there is not a number n which added to its sum of digits gives 2455564634220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33031332 + ... + 33105588.

It is an arithmetic number, because the mean of its divisors is an integer number (72045111600).

Almost surely, 2^{2455564634220} is an apocalyptic number.

2455564634220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2455564634220 is an abundant number, since it is smaller than the sum of its proper divisors (4460766079380).

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

2455564634220 is a wasteful number, since it uses less digits than its factorization.

2455564634220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77527 (or 77525 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 2455564634220 in words is "two trillion, four hundred fifty-five billion, five hundred sixty-four million, six hundred thirty-four thousand, two hundred twenty".