255012355345244 has 72 divisors (see below), whose sum is σ = 524391924157920. Its totient is φ = 108184607766144.

The previous prime is 255012355345243. The next prime is 255012355345259. The reversal of 255012355345244 is 442543553210552.

It is a junction number, because it is equal to n+sod(n) for n = 255012355345192 and 255012355345201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255012355345243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45585374 + ... + 50872890.

It is an arithmetic number, because the mean of its divisors is an integer number (7283221168860).

Almost surely, 2^{255012355345244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255012355345244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262195962078960).

255012355345244 is an abundant number, since it is smaller than the sum of its proper divisors (269379568812676).

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

255012355345244 is a wasteful number, since it uses less digits than its factorization.

255012355345244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290027 (or 5290018 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 255012355345244 in words is "two hundred fifty-five trillion, twelve billion, three hundred fifty-five million, three hundred forty-five thousand, two hundred forty-four".