255091680000 has 630 divisors, whose sum is σ = 954419741044. Its totient is φ = 68024448000.

The previous prime is 255091679989. The next prime is 255091680037. The reversal of 255091680000 is 86190552.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 8100 × 4860 × 6480.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 51018335998 + ... + 51018336002.

Almost surely, 2^255091680000 is an apocalyptic number.

255091680000 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 255091680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477209870522).

255091680000 is an abundant number, since it is smaller than the sum of its proper divisors (699328061044).

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

255091680000 is an frugal number, since it uses more digits than its factorization.

255091680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 255091680000 in words is "two hundred fifty-five billion, ninety-one million, six hundred eighty thousand".