255660700 has 18 divisors (see below), whose sum is σ = 554783936. Its totient is φ = 102264240.

The previous prime is 255660679. The next prime is 255660701. The reversal of 255660700 is 7066552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255660701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1278204 + ... + 1278403.

Almost surely, 2^255660700 is an apocalyptic number.

255660700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255660700 is an abundant number, since it is smaller than the sum of its proper divisors (299123236).

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

255660700 is a wasteful number, since it uses less digits than its factorization.

255660700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556621 (or 2556614 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 255660700 is about 15989.3933593492. The cubic root of 255660700 is about 634.6797732319.

The spelling of 255660700 in words is "two hundred fifty-five million, six hundred sixty thousand, seven hundred".