255544120244 has 24 divisors (see below), whose sum is σ = 511445975040. Its totient is φ = 109442251296.

The previous prime is 255544120219. The next prime is 255544120259. The reversal of 255544120244 is 442021445552.

It is a junction number, because it is equal to n+sod(n) for n = 255544120198 and 255544120207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153332 + ... + 3233355.

It is an arithmetic number, because the mean of its divisors is an integer number (21310248960).

Almost surely, 2^255544120244 is an apocalyptic number.

It is an amenable number.

255544120244 is an abundant number, since it is smaller than the sum of its proper divisors (255901854796).

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

255544120244 is a wasteful number, since it uses less digits than its factorization.

255544120244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388127 (or 6388125 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 255544120244 its reverse (442021445552), we get a palindrome (697565565796).

The spelling of 255544120244 in words is "two hundred fifty-five billion, five hundred forty-four million, one hundred twenty thousand, two hundred forty-four".