255898849455 has 48 divisors (see below), whose sum is σ = 460121485824. Its totient is φ = 136439212320.

The previous prime is 255898849379. The next prime is 255898849499. The reversal of 255898849455 is 554948898552.

It is a happy number.

255898849455 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 9 + 88 + 494 + 55 = 666.

255898849455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255898849455 - 2¹² = 255898845359 is a prime.

It is a congruent number.

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, 4353310 + ... + 4411700.

It is an arithmetic number, because the mean of its divisors is an integer number (9585864288).

Almost surely, 2^255898849455 is an apocalyptic number.

255898849455 is a deficient number, since it is larger than the sum of its proper divisors (204222636369).

255898849455 is an equidigital number, since it uses as much as digits as its factorization.

255898849455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62018 (or 62006 counting only the distinct ones).

The product of its digits is 829440000, while the sum is 72.

The spelling of 255898849455 in words is "two hundred fifty-five billion, eight hundred ninety-eight million, eight hundred forty-nine thousand, four hundred fifty-five".