255630120 has 32 divisors (see below), whose sum is σ = 766890720. Its totient is φ = 68168000.

The previous prime is 255630107. The next prime is 255630149. The reversal of 255630120 is 21036552.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065006 + ... + 1065245.

It is an arithmetic number, because the mean of its divisors is an integer number (23965335).

Almost surely, 2^255630120 is an apocalyptic number.

255630120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255630120 is an abundant number, since it is smaller than the sum of its proper divisors (511260600).

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

255630120 is a wasteful number, since it uses less digits than its factorization.

255630120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130265 (or 2130261 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 255630120 is about 15988.4370718341. The cubic root of 255630120 is about 634.6544671897.

Adding to 255630120 its reverse (21036552), we get a palindrome (276666672).

The spelling of 255630120 in words is "two hundred fifty-five million, six hundred thirty thousand, one hundred twenty".