259492044 has 72 divisors (see below), whose sum is σ = 741437760. Its totient is φ = 70235424.

The previous prime is 259492033. The next prime is 259492061. The reversal of 259492044 is 440294952.

It is a super-2 number, since 2×259492044² = 134672241798595872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259491993 and 259492011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442 + ... + 22785.

Almost surely, 2^259492044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259492044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370718880).

259492044 is an abundant number, since it is smaller than the sum of its proper divisors (481945716).

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

259492044 is a wasteful number, since it uses less digits than its factorization.

259492044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23267 (or 23258 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 259492044 is about 16108.7567490480. The cubic root of 259492044 is about 637.8345138678.

The spelling of 259492044 in words is "two hundred fifty-nine million, four hundred ninety-two thousand, forty-four".