255467345221 has 16 divisors (see below), whose sum is σ = 279002838528. Its totient is φ = 231983897200.

The previous prime is 255467345207. The next prime is 255467345227. The reversal of 255467345221 is 122543764552.

It is not a de Polignac number, because 255467345221 - 2⁷ = 255467345093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255467345227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65318256 + ... + 65322166.

It is an arithmetic number, because the mean of its divisors is an integer number (17437677408).

Almost surely, 2^255467345221 is an apocalyptic number.

It is an amenable number.

255467345221 is a deficient number, since it is larger than the sum of its proper divisors (23535493307).

255467345221 is a wasteful number, since it uses less digits than its factorization.

255467345221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032.

The product of its digits is 2016000, while the sum is 46.

The spelling of 255467345221 in words is "two hundred fifty-five billion, four hundred sixty-seven million, three hundred forty-five thousand, two hundred twenty-one".