255991454 has 16 divisors (see below), whose sum is σ = 393981840. Its totient is φ = 124674240.

The previous prime is 255991451. The next prime is 255991499. The reversal of 255991454 is 454199552.

It is a super-3 number, since 3×255991454³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255991451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57977 + ... + 62235.

It is an arithmetic number, because the mean of its divisors is an integer number (24623865).

Almost surely, 2^255991454 is an apocalyptic number.

255991454 is a deficient number, since it is larger than the sum of its proper divisors (137990386).

255991454 is a wasteful number, since it uses less digits than its factorization.

255991454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035.

The product of its digits is 324000, while the sum is 44.

The square root of 255991454 is about 15999.7329352711. The cubic root of 255991454 is about 634.9533551204.

The spelling of 255991454 in words is "two hundred fifty-five million, nine hundred ninety-one thousand, four hundred fifty-four".