255937308660 has 240 divisors, whose sum is σ = 877443158592. Its totient is φ = 61934284800.

The previous prime is 255937308647. The next prime is 255937308661. The reversal of 255937308660 is 66803739552.

It is a happy number.

255937308660 is a `hidden beast` number, since 2 + 559 + 3 + 7 + 3 + 0 + 86 + 6 + 0 = 666.

It is a super-2 number, since 2×255937308660² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 255937308597 and 255937308606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255937308661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10162644 + ... + 10187796.

Almost surely, 2^255937308660 is an apocalyptic number.

255937308660 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 255937308660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438721579296).

255937308660 is an abundant number, since it is smaller than the sum of its proper divisors (621505849932).

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

255937308660 is a wasteful number, since it uses less digits than its factorization.

255937308660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25756 (or 25745 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 255937308660 in words is "two hundred fifty-five billion, nine hundred thirty-seven million, three hundred eight thousand, six hundred sixty".