255140504 has 8 divisors (see below), whose sum is σ = 478388460. Its totient is φ = 127570248.

The previous prime is 255140497. The next prime is 255140519. The reversal of 255140504 is 405041552.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 15946274 + ... + 15946289.

Almost surely, 2^255140504 is an apocalyptic number.

It is an amenable number.

255140504 is a deficient number, since it is larger than the sum of its proper divisors (223247956).

255140504 is a wasteful number, since it uses less digits than its factorization.

255140504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31892569 (or 31892565 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 255140504 is about 15973.1181677217. The cubic root of 255140504 is about 634.2490173404.

The spelling of 255140504 in words is "two hundred fifty-five million, one hundred forty thousand, five hundred four".