255860469 has 24 divisors (see below), whose sum is σ = 373401600. Its totient is φ = 168819552.

The previous prime is 255860461. The next prime is 255860477. The reversal of 255860469 is 964068552.

255860469 is a `hidden beast` number, since 2 + 5 + 586 + 0 + 4 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (255860461) and next prime (255860477).

It is not a de Polignac number, because 255860469 - 2³ = 255860461 is a prime.

It is a super-2 number, since 2×255860469² = 130929159193799922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255860461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667852 + ... + 668234.

It is an arithmetic number, because the mean of its divisors is an integer number (15558400).

Almost surely, 2^255860469 is an apocalyptic number.

It is an amenable number.

255860469 is a deficient number, since it is larger than the sum of its proper divisors (117541131).

255860469 is a wasteful number, since it uses less digits than its factorization.

255860469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 255860469 is about 15995.6390619444. The cubic root of 255860469 is about 634.8450395846.

The spelling of 255860469 in words is "two hundred fifty-five million, eight hundred sixty thousand, four hundred sixty-nine".