255432411323320 has 256 divisors, whose sum is σ = 754276147200000. Its totient is φ = 75422421803520.

The previous prime is 255432411323317. The next prime is 255432411323351. The reversal of 255432411323320 is 23323114234552.

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

It is a congruent number.

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, 2303233231 + ... + 2303344129.

It is an arithmetic number, because the mean of its divisors is an integer number (2946391200000).

Almost surely, 2^{255432411323320} is an apocalyptic number.

255432411323320 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 255432411323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377138073600000).

255432411323320 is an abundant number, since it is smaller than the sum of its proper divisors (498843735876680).

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

255432411323320 is a wasteful number, since it uses less digits than its factorization.

255432411323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150306 (or 150302 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 255432411323320 its reverse (23323114234552), we get a palindrome (278755525557872).

The spelling of 255432411323320 in words is "two hundred fifty-five trillion, four hundred thirty-two billion, four hundred eleven million, three hundred twenty-three thousand, three hundred twenty".