2628726555 has 48 divisors (see below), whose sum is σ = 5205047040. Its totient is φ = 1109257344.

The previous prime is 2628726493. The next prime is 2628726563. The reversal of 2628726555 is 5556278262.

It is not a de Polignac number, because 2628726555 - 2⁷ = 2628726427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56325 + ... + 91814.

It is an arithmetic number, because the mean of its divisors is an integer number (108438480).

Almost surely, 2^2628726555 is an apocalyptic number.

2628726555 is a deficient number, since it is larger than the sum of its proper divisors (2576320485).

2628726555 is a wasteful number, since it uses less digits than its factorization.

2628726555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148180 (or 148167 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 48.

The square root of 2628726555 is about 51271.1083847424. The cubic root of 2628726555 is about 1380.1145593828.

The spelling of 2628726555 in words is "two billion, six hundred twenty-eight million, seven hundred twenty-six thousand, five hundred fifty-five".