255744465 has 16 divisors (see below), whose sum is σ = 430728000. Its totient is φ = 129218112.

The previous prime is 255744443. The next prime is 255744479. The reversal of 255744465 is 564447552.

It is not a de Polignac number, because 255744465 - 2¹² = 255740369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448390 + ... + 448959.

It is an arithmetic number, because the mean of its divisors is an integer number (26920500).

Almost surely, 2^255744465 is an apocalyptic number.

It is an amenable number.

255744465 is a deficient number, since it is larger than the sum of its proper divisors (174983535).

255744465 is a wasteful number, since it uses less digits than its factorization.

255744465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897376.

The product of its digits is 672000, while the sum is 42.

The square root of 255744465 is about 15992.0125375138. The cubic root of 255744465 is about 634.7490814283.

The spelling of 255744465 in words is "two hundred fifty-five million, seven hundred forty-four thousand, four hundred sixty-five".