2385256556 has 12 divisors (see below), whose sum is σ = 4179252168. Its totient is φ = 1191184512.

The previous prime is 2385256547. The next prime is 2385256579. The reversal of 2385256556 is 6556525832.

It is a super-2 number, since 2×2385256556² = 11378897675881962272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2385256556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357221 + ... + 363836.

It is an arithmetic number, because the mean of its divisors is an integer number (348271014).

Almost surely, 2^2385256556 is an apocalyptic number.

It is an amenable number.

2385256556 is a deficient number, since it is larger than the sum of its proper divisors (1793995612).

2385256556 is a wasteful number, since it uses less digits than its factorization.

2385256556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721888 (or 721886 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

The square root of 2385256556 is about 48839.0884026309. The cubic root of 2385256556 is about 1336.1186705098.

It can be divided in two parts, 23852 and 56556, that added together give a palindrome (80408).

The spelling of 2385256556 in words is "two billion, three hundred eighty-five million, two hundred fifty-six thousand, five hundred fifty-six".