2455668648 has 24 divisors (see below), whose sum is σ = 6650769450. Its totient is φ = 818556192.

The previous prime is 2455668613. The next prime is 2455668727. The reversal of 2455668648 is 8468665542.

2455668648 is a `hidden beast` number, since 2 + 4 + 556 + 6 + 86 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2454409764 + 1258884 = 49542^2 + 1122^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2455668594 and 2455668603.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17053183 + ... + 17053326.

Almost surely, 2^2455668648 is an apocalyptic number.

It is an amenable number.

2455668648 is an abundant number, since it is smaller than the sum of its proper divisors (4195100802).

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

2455668648 is a wasteful number, since it uses less digits than its factorization.

2455668648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34106521 (or 34106514 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The square root of 2455668648 is about 49554.7035910820. The cubic root of 2455668648 is about 1349.1386637299.

The spelling of 2455668648 in words is "two billion, four hundred fifty-five million, six hundred sixty-eight thousand, six hundred forty-eight".