255914690 has 8 divisors (see below), whose sum is σ = 460646460. Its totient is φ = 102365872.

The previous prime is 255914677. The next prime is 255914699. The reversal of 255914690 is 96419552.

It can be written as a sum of positive squares in 2 ways, for example, as 230219929 + 25694761 = 15173^2 + 5069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255914690² = 130984657115592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255914699) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12795725 + ... + 12795744.

Almost surely, 2^255914690 is an apocalyptic number.

255914690 is a deficient number, since it is larger than the sum of its proper divisors (204731770).

255914690 is a wasteful number, since it uses less digits than its factorization.

255914690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25591476.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 255914690 is about 15997.3338403623. Note that the first 3 decimals coincide. The cubic root of 255914690 is about 634.8898810846.

The spelling of 255914690 in words is "two hundred fifty-five million, nine hundred fourteen thousand, six hundred ninety".