255818110720 has 288 divisors, whose sum is σ = 680827424256. Its totient is φ = 91658649600.

The previous prime is 255818110711. The next prime is 255818110721. The reversal of 255818110720 is 27011818552.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255818110721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41145052 + ... + 41151268.

It is an arithmetic number, because the mean of its divisors is an integer number (2363984112).

Almost surely, 2^255818110720 is an apocalyptic number.

255818110720 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 255818110720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340413712128).

255818110720 is an abundant number, since it is smaller than the sum of its proper divisors (425009313536).

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

255818110720 is a wasteful number, since it uses less digits than its factorization.

255818110720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347 (or 6333 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 255818110720 in words is "two hundred fifty-five billion, eight hundred eighteen million, one hundred ten thousand, seven hundred twenty".