2557327502730 has 512 divisors, whose sum is σ = 8455733379072. Its totient is φ = 477755596800.

The previous prime is 2557327502687. The next prime is 2557327502767. The reversal of 2557327502730 is 372057237552.

2557327502730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2557327502730.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 951739447 + ... + 951742133.

It is an arithmetic number, because the mean of its divisors is an integer number (16515104256).

Almost surely, 2^{2557327502730} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2557327502730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4227866689536).

2557327502730 is an abundant number, since it is smaller than the sum of its proper divisors (5898405876342).

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

2557327502730 is a wasteful number, since it uses less digits than its factorization.

2557327502730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 3087000, while the sum is 48.

The spelling of 2557327502730 in words is "two trillion, five hundred fifty-seven billion, three hundred twenty-seven million, five hundred two thousand, seven hundred thirty".