255219034455 has 96 divisors (see below), whose sum is σ = 551670013440. Its totient is φ = 106039722240.

The previous prime is 255219034439. The next prime is 255219034501. The reversal of 255219034455 is 554430912552.

255219034455 is a `hidden beast` number, since 2 + 5 + 5 + 2 + 190 + 3 + 4 + 455 = 666.

It is not a de Polignac number, because 255219034455 - 2⁴ = 255219034439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255219034455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23795724 + ... + 23806446.

It is an arithmetic number, because the mean of its divisors is an integer number (5746562640).

Almost surely, 2^255219034455 is an apocalyptic number.

255219034455 is an abundant number, since it is smaller than the sum of its proper divisors (296450978985).

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

255219034455 is a wasteful number, since it uses less digits than its factorization.

255219034455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621 (or 17618 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 255219034455 in words is "two hundred fifty-five billion, two hundred nineteen million, thirty-four thousand, four hundred fifty-five".