2556680233 has 8 divisors (see below), whose sum is σ = 2579924160. Its totient is φ = 2533493040.

The previous prime is 2556680221. The next prime is 2556680249. The reversal of 2556680233 is 3320866552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2556680233 is a prime.

It is a super-2 number, since 2×2556680233² = 13073227627625868578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556680213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79116 + ... + 106642.

It is an arithmetic number, because the mean of its divisors is an integer number (322490520).

Almost surely, 2^2556680233 is an apocalyptic number.

It is an amenable number.

2556680233 is a deficient number, since it is larger than the sum of its proper divisors (23243927).

2556680233 is a wasteful number, since it uses less digits than its factorization.

2556680233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28367.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 2556680233 is about 50563.6255919213. The cubic root of 2556680233 is about 1367.3891763710.

The spelling of 2556680233 in words is "two billion, five hundred fifty-six million, six hundred eighty thousand, two hundred thirty-three".