255714646660 has 24 divisors (see below), whose sum is σ = 585819009216. Its totient is φ = 92987144160.

The previous prime is 255714646633. The next prime is 255714646667. The reversal of 255714646660 is 66646417552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255714646598 and 255714646607.

It is not an unprimeable number, because it can be changed into a prime (255714646667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581169432 + ... + 581169871.

It is an arithmetic number, because the mean of its divisors is an integer number (24409125384).

Almost surely, 2^255714646660 is an apocalyptic number.

255714646660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255714646660 is an abundant number, since it is smaller than the sum of its proper divisors (330104362556).

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

255714646660 is a wasteful number, since it uses less digits than its factorization.

255714646660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162339323 (or 1162339321 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 255714646660 in words is "two hundred fifty-five billion, seven hundred fourteen million, six hundred forty-six thousand, six hundred sixty".