255898190 has 32 divisors (see below), whose sum is σ = 467429184. Its totient is φ = 100857600.

The previous prime is 255898189. The next prime is 255898231. The reversal of 255898190 is 91898552.

It is a super-2 number, since 2×255898190² = 130967767290552200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206252 + ... + 207488.

It is an arithmetic number, because the mean of its divisors is an integer number (14607162).

Almost surely, 2^255898190 is an apocalyptic number.

255898190 is a deficient number, since it is larger than the sum of its proper divisors (211530994).

255898190 is a wasteful number, since it uses less digits than its factorization.

255898190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its (nonzero) digits is 259200, while the sum is 47.

The square root of 255898190 is about 15996.8181211140. The cubic root of 255898190 is about 634.8762360320.

The spelling of 255898190 in words is "two hundred fifty-five million, eight hundred ninety-eight thousand, one hundred ninety".