260909404 has 96 divisors (see below), whose sum is σ = 586776960. Its totient is φ = 98918400.

The previous prime is 260909399. The next prime is 260909417. The reversal of 260909404 is 404909062.

260909404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 260909404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565734 + ... + 566194.

It is an arithmetic number, because the mean of its divisors is an integer number (6112260).

Almost surely, 2^260909404 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 260909404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293388480).

260909404 is an abundant number, since it is smaller than the sum of its proper divisors (325867556).

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

260909404 is a wasteful number, since it uses less digits than its factorization.

260909404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 260909404 is about 16152.6903022376. The cubic root of 260909404 is about 638.9937017885.

The spelling of 260909404 in words is "two hundred sixty million, nine hundred nine thousand, four hundred four".