255207190 has 96 divisors (see below), whose sum is σ = 563791104. Its totient is φ = 82817280.

The previous prime is 255207187. The next prime is 255207203. The reversal of 255207190 is 91702552.

It is a super-2 number, since 2×255207190² = 130261419655392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 804912 + ... + 805228.

It is an arithmetic number, because the mean of its divisors is an integer number (5872824).

Almost surely, 2^255207190 is an apocalyptic number.

255207190 is an abundant number, since it is smaller than the sum of its proper divisors (308583914).

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

255207190 is a wasteful number, since it uses less digits than its factorization.

255207190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 255207190 is about 15975.2054759868. The cubic root of 255207190 is about 634.3042703545.

The spelling of 255207190 in words is "two hundred fifty-five million, two hundred seven thousand, one hundred ninety".