255965004 has 36 divisors (see below), whose sum is σ = 647743096. Its totient is φ = 85226688.

The previous prime is 255964997. The next prime is 255965023. The reversal of 255965004 is 400569552.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 255965004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33747 + ... + 40629.

Almost surely, 2^255965004 is an apocalyptic number.

It is an amenable number.

255965004 is an abundant number, since it is smaller than the sum of its proper divisors (391778092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255965004 is a wasteful number, since it uses less digits than its factorization.

255965004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 255965004 is about 15998.9063376220. The cubic root of 255965004 is about 634.9314857775.

It can be divided in two parts, 255 and 965004, that multiplied together give a triangular number (246076020 = T₂₂₁₈₄).

The spelling of 255965004 in words is "two hundred fifty-five million, nine hundred sixty-five thousand, four".