255351540000 has 120 divisors (see below), whose sum is σ = 837604318320. Its totient is φ = 68093728000.

The previous prime is 255351539953. The next prime is 255351540013. The reversal of 255351540000 is 45153552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 255351540000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2067930 + ... + 2187929.

It is an arithmetic number, because the mean of its divisors is an integer number (6980035986).

Almost surely, 2^255351540000 is an apocalyptic number.

255351540000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255351540000 is an abundant number, since it is smaller than the sum of its proper divisors (582252778320).

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

255351540000 is an equidigital number, since it uses as much as digits as its factorization.

255351540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255892 (or 4255869 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 255351540000 its reverse (45153552), we get a palindrome (255396693552).

The spelling of 255351540000 in words is "two hundred fifty-five billion, three hundred fifty-one million, five hundred forty thousand".