2544621255 has 48 divisors (see below), whose sum is σ = 4844080800. Its totient is φ = 1225440000.

The previous prime is 2544621229. The next prime is 2544621263. The reversal of 2544621255 is 5521264452.

2544621255 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 621 + 25 + 5 = 666.

It is not a de Polignac number, because 2544621255 - 2⁷ = 2544621127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56505 + ... + 91005.

It is an arithmetic number, because the mean of its divisors is an integer number (100918350).

Almost surely, 2^2544621255 is an apocalyptic number.

2544621255 is a deficient number, since it is larger than the sum of its proper divisors (2299459545).

2544621255 is a wasteful number, since it uses less digits than its factorization.

2544621255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34672 (or 34669 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 2544621255 is about 50444.2390665178. The cubic root of 2544621255 is about 1365.2359532535.

The spelling of 2544621255 in words is "two billion, five hundred forty-four million, six hundred twenty-one thousand, two hundred fifty-five".