259942804 has 24 divisors (see below), whose sum is σ = 500901408. Its totient is φ = 117049440.

The previous prime is 259942799. The next prime is 259942817. The reversal of 259942804 is 408249952.

It is a happy number.

It is a super-2 number, since 2×259942804² = 135140522702764832, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22899 + ... + 32314.

It is an arithmetic number, because the mean of its divisors is an integer number (20870892).

Almost surely, 2^259942804 is an apocalyptic number.

It is an amenable number.

259942804 is a deficient number, since it is larger than the sum of its proper divisors (240958604).

259942804 is a wasteful number, since it uses less digits than its factorization.

259942804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55335 (or 55333 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 259942804 is about 16122.7418263768. The cubic root of 259942804 is about 638.2036246952.

The spelling of 259942804 in words is "two hundred fifty-nine million, nine hundred forty-two thousand, eight hundred four".