2556433045 has 16 divisors (see below), whose sum is σ = 3152769408. Its totient is φ = 1988521920.

The previous prime is 2556433037. The next prime is 2556433057. The reversal of 2556433045 is 5403346552.

It is not a de Polignac number, because 2556433045 - 2³ = 2556433037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 2556432995 and 2556433013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334962 + ... + 342508.

It is an arithmetic number, because the mean of its divisors is an integer number (197048088).

Almost surely, 2^2556433045 is an apocalyptic number.

It is an amenable number.

2556433045 is a deficient number, since it is larger than the sum of its proper divisors (596336363).

2556433045 is a wasteful number, since it uses less digits than its factorization.

2556433045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420.

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 2556433045 is about 50561.1812065343. The cubic root of 2556433045 is about 1367.3451071017.

Adding to 2556433045 its reverse (5403346552), we get a palindrome (7959779597).

The spelling of 2556433045 in words is "two billion, five hundred fifty-six million, four hundred thirty-three thousand, forty-five".