255360940 has 12 divisors (see below), whose sum is σ = 536258016. Its totient is φ = 102144368.

The previous prime is 255360913. The next prime is 255360947. The reversal of 255360940 is 49063552.

It is a junction number, because it is equal to n+sod(n) for n = 255360896 and 255360905.

It is not an unprimeable number, because it can be changed into a prime (255360947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6384004 + ... + 6384043.

It is an arithmetic number, because the mean of its divisors is an integer number (44688168).

Almost surely, 2^255360940 is an apocalyptic number.

255360940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255360940 is an abundant number, since it is smaller than the sum of its proper divisors (280897076).

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

255360940 is a wasteful number, since it uses less digits than its factorization.

255360940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768056 (or 12768054 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 255360940 is about 15980.0168961112. The cubic root of 255360940 is about 634.4316240072.

The spelling of 255360940 in words is "two hundred fifty-five million, three hundred sixty thousand, nine hundred forty".