2555300640618 has 48 divisors (see below), whose sum is σ = 6048966924000. Its totient is φ = 773158475040.

The previous prime is 2555300640583. The next prime is 2555300640667. The reversal of 2555300640618 is 8160460035552.

2555300640618 is a `hidden beast` number, since 2 + 55 + 530 + 0 + 6 + 4 + 0 + 61 + 8 = 666.

It is a super-2 number, since 2×2555300640618² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9661293 + ... + 9922256.

It is an arithmetic number, because the mean of its divisors is an integer number (126020144250).

Almost surely, 2^{2555300640618} is an apocalyptic number.

2555300640618 is an abundant number, since it is smaller than the sum of its proper divisors (3493666283382).

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

2555300640618 is a wasteful number, since it uses less digits than its factorization.

2555300640618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584227 (or 19584224 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 2555300640618 in words is "two trillion, five hundred fifty-five billion, three hundred million, six hundred forty thousand, six hundred eighteen".