2553240618 has 24 divisors (see below), whose sum is σ = 5560692228. Its totient is φ = 846669312.

The previous prime is 2553240617. The next prime is 2553240619. The reversal of 2553240618 is 8160423552.

2553240618 is a `hidden beast` number, since 2 + 5 + 5 + 32 + 4 + 0 + 618 = 666.

It is an interprime number because it is at equal distance from previous prime (2553240617) and next prime (2553240619).

It can be written as a sum of positive squares in 2 ways, for example, as 2543487489 + 9753129 = 50433^2 + 3123^2 .

It is not an unprimeable number, because it can be changed into a prime (2553240617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364005 + ... + 370952.

Almost surely, 2^2553240618 is an apocalyptic number.

2553240618 is an abundant number, since it is smaller than the sum of its proper divisors (3007451610).

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

2553240618 is a wasteful number, since it uses less digits than its factorization.

2553240618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735158 (or 735155 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2553240618 is about 50529.6014035338. The cubic root of 2553240618 is about 1366.7756981293.

The spelling of 2553240618 in words is "two billion, five hundred fifty-three million, two hundred forty thousand, six hundred eighteen".