259887044 has 6 divisors (see below), whose sum is σ = 454802334. Its totient is φ = 129943520.

The previous prime is 259887029. The next prime is 259887053. The reversal of 259887044 is 440788952.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 209902144 + 49984900 = 14488^2 + 7070^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 259887044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32485877 + ... + 32485884.

It is an arithmetic number, because the mean of its divisors is an integer number (75800389).

Almost surely, 2^259887044 is an apocalyptic number.

It is an amenable number.

259887044 is a deficient number, since it is larger than the sum of its proper divisors (194915290).

259887044 is a wasteful number, since it uses less digits than its factorization.

259887044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64971765 (or 64971763 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 259887044 is about 16121.0124992198. The cubic root of 259887044 is about 638.1579880162.

The spelling of 259887044 in words is "two hundred fifty-nine million, eight hundred eighty-seven thousand, forty-four".