255416244733320 has 256 divisors, whose sum is σ = 872295879168000. Its totient is φ = 59223943511040.

The previous prime is 255416244733319. The next prime is 255416244733369. The reversal of 255416244733320 is 23337442614552.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627125106 + ... + 627532254.

It is an arithmetic number, because the mean of its divisors is an integer number (3407405778000).

Almost surely, 2^{255416244733320} is an apocalyptic number.

255416244733320 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 255416244733320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436147939584000).

255416244733320 is an abundant number, since it is smaller than the sum of its proper divisors (616879634434680).

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

255416244733320 is a wasteful number, since it uses less digits than its factorization.

255416244733320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427860 (or 427856 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 51.

The spelling of 255416244733320 in words is "two hundred fifty-five trillion, four hundred sixteen billion, two hundred forty-four million, seven hundred thirty-three thousand, three hundred twenty".