255452651520 has 448 divisors, whose sum is σ = 944245869696. Its totient is φ = 58279854080.

The previous prime is 255452651507. The next prime is 255452651521. The reversal of 255452651520 is 25156254552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (255452651521) 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, 22973002 + ... + 22984118.

Almost surely, 2^255452651520 is an apocalyptic number.

255452651520 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 255452651520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472122934848).

255452651520 is an abundant number, since it is smaller than the sum of its proper divisors (688793218176).

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

255452651520 is a wasteful number, since it uses less digits than its factorization.

255452651520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11179 (or 11155 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 255452651520 in words is "two hundred fifty-five billion, four hundred fifty-two million, six hundred fifty-one thousand, five hundred twenty".