2555644288330 has 32 divisors (see below), whose sum is σ = 5369183387136. Its totient is φ = 857577899904.

The previous prime is 2555644288321. The next prime is 2555644288349. The reversal of 2555644288330 is 338824465552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388392499 + ... + 388399078.

It is an arithmetic number, because the mean of its divisors is an integer number (167786980848).

Almost surely, 2^{2555644288330} is an apocalyptic number.

2555644288330 is an abundant number, since it is smaller than the sum of its proper divisors (2813539098806).

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

2555644288330 is a wasteful number, since it uses less digits than its factorization.

2555644288330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776791638.

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 2555644288330 in words is "two trillion, five hundred fifty-five billion, six hundred forty-four million, two hundred eighty-eight thousand, three hundred thirty".