2556035998 has 16 divisors (see below), whose sum is σ = 3957487200. Its totient is φ = 1237221216.

The previous prime is 2556035983. The next prime is 2556036001. The reversal of 2556035998 is 8995306552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72061 + ... + 101512.

It is an arithmetic number, because the mean of its divisors is an integer number (247342950).

Almost surely, 2^2556035998 is an apocalyptic number.

2556035998 is a deficient number, since it is larger than the sum of its proper divisors (1401451202).

2556035998 is a wasteful number, since it uses less digits than its factorization.

2556035998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173811.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The square root of 2556035998 is about 50557.2546525224. The cubic root of 2556035998 is about 1367.2743146639.

The spelling of 2556035998 in words is "two billion, five hundred fifty-six million, thirty-five thousand, nine hundred ninety-eight".