255000000000 has 440 divisors, whose sum is σ = 899121075336. Its totient is φ = 64000000000.

The previous prime is 254999999993. The next prime is 255000000007. The reversal of 255000000000 is 552.

It is an interprime number because it is at equal distance from previous prime (254999999993) and next prime (255000000007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 8500 × 7500 × 4000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255000000007) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 14999999992 + ... + 15000000008.

Almost surely, 2^255000000000 is an apocalyptic number.

255000000000 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 255000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449560537668).

255000000000 is an abundant number, since it is smaller than the sum of its proper divisors (644121075336).

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

255000000000 is an frugal number, since it uses more digits than its factorization.

255000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 12.

Adding to 255000000000 its reverse (552), we get a palindrome (255000000552).

It can be divided in two parts, 25 and 5000000000, that multiplied together give a cube (125000000000 = 5000³).

The spelling of 255000000000 in words is "two hundred fifty-five billion", and thus it is an aban number.