255625123320 has 768 divisors, whose sum is σ = 1076331110400. Its totient is φ = 53210234880.

The previous prime is 255625123307. The next prime is 255625123363. The reversal of 255625123320 is 23321526552.

255625123320 is a `hidden beast` number, since 2 + 5 + 5 + 625 + 1 + 2 + 3 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 35853516 + ... + 35860644.

It is an arithmetic number, because the mean of its divisors is an integer number (1401472800).

Almost surely, 2^255625123320 is an apocalyptic number.

255625123320 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 255625123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538165555200).

255625123320 is an abundant number, since it is smaller than the sum of its proper divisors (820705987080).

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

255625123320 is a wasteful number, since it uses less digits than its factorization.

255625123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210 (or 7194 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 255625123320 its reverse (23321526552), we get a palindrome (278946649872).

The spelling of 255625123320 in words is "two hundred fifty-five billion, six hundred twenty-five million, one hundred twenty-three thousand, three hundred twenty".