255444455 has 32 divisors (see below), whose sum is σ = 370344960. Its totient is φ = 165231360.

The previous prime is 255444451. The next prime is 255444479. The reversal of 255444455 is 554444552.

It is not a de Polignac number, because 255444455 - 2² = 255444451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255444451) 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, 186182 + ... + 187548.

It is an arithmetic number, because the mean of its divisors is an integer number (11573280).

Almost surely, 2^255444455 is an apocalyptic number.

255444455 is a deficient number, since it is larger than the sum of its proper divisors (114900505).

255444455 is a wasteful number, since it uses less digits than its factorization.

255444455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its digits is 320000, while the sum is 38.

The square root of 255444455 is about 15982.6297898687. The cubic root of 255444455 is about 634.5007794309.

The spelling of 255444455 in words is "two hundred fifty-five million, four hundred forty-four thousand, four hundred fifty-five".