255612540444 has 48 divisors (see below), whose sum is σ = 601239290400. Its totient is φ = 84519567360.

The previous prime is 255612540439. The next prime is 255612540499. The reversal of 255612540444 is 444045216552.

It is a junction number, because it is equal to n+sod(n) for n = 255612540396 and 255612540405.

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, 650164 + ... + 966404.

It is an arithmetic number, because the mean of its divisors is an integer number (12525818550).

Almost surely, 2^255612540444 is an apocalyptic number.

It is an amenable number.

255612540444 is an abundant number, since it is smaller than the sum of its proper divisors (345626749956).

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

255612540444 is a wasteful number, since it uses less digits than its factorization.

255612540444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316790 (or 316788 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 255612540444 its reverse (444045216552), we get a palindrome (699657756996).

The spelling of 255612540444 in words is "two hundred fifty-five billion, six hundred twelve million, five hundred forty thousand, four hundred forty-four".