255355402254 has 32 divisors (see below), whose sum is σ = 514214071200. Its totient is φ = 84534758400.

The previous prime is 255355402249. The next prime is 255355402279. The reversal of 255355402254 is 452204553552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7601014 + ... + 7634534.

It is an arithmetic number, because the mean of its divisors is an integer number (16069189725).

Almost surely, 2^255355402254 is an apocalyptic number.

255355402254 is an abundant number, since it is smaller than the sum of its proper divisors (258858668946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255355402254 is a wasteful number, since it uses less digits than its factorization.

255355402254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42196.

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 255355402254 in words is "two hundred fifty-five billion, three hundred fifty-five million, four hundred two thousand, two hundred fifty-four".