255933244257 has 32 divisors (see below), whose sum is σ = 377108877312. Its totient is φ = 153570219264.

The previous prime is 255933244249. The next prime is 255933244267. The reversal of 255933244257 is 752442339552.

It is not a de Polignac number, because 255933244257 - 2³ = 255933244249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (255933244247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6039778 + ... + 6082004.

It is an arithmetic number, because the mean of its divisors is an integer number (11784652416).

Almost surely, 2^255933244257 is an apocalyptic number.

It is an amenable number.

255933244257 is a deficient number, since it is larger than the sum of its proper divisors (121175633055).

255933244257 is a wasteful number, since it uses less digits than its factorization.

255933244257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47437.

The product of its digits is 9072000, while the sum is 51.

The spelling of 255933244257 in words is "two hundred fifty-five billion, nine hundred thirty-three million, two hundred forty-four thousand, two hundred fifty-seven".