255025000280 has 64 divisors (see below), whose sum is σ = 587863837440. Its totient is φ = 99516638592.

The previous prime is 255025000261. The next prime is 255025000289. The reversal of 255025000280 is 82000520552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255025000289) 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, 1332797 + ... + 1512083.

It is an arithmetic number, because the mean of its divisors is an integer number (9185372460).

Almost surely, 2^255025000280 is an apocalyptic number.

255025000280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255025000280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293931918720).

255025000280 is an abundant number, since it is smaller than the sum of its proper divisors (332838837160).

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

255025000280 is a wasteful number, since it uses less digits than its factorization.

255025000280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180168 (or 180164 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 255025000280 in words is "two hundred fifty-five billion, twenty-five million, two hundred eighty", and thus it is an aban number.