260816430 has 128 divisors (see below), whose sum is σ = 748569600. Its totient is φ = 56899584.

The previous prime is 260816429. The next prime is 260816443. The reversal of 260816430 is 34618062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 687981 + ... + 688359.

It is an arithmetic number, because the mean of its divisors is an integer number (5848200).

Almost surely, 2^260816430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260816430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374284800).

260816430 is an abundant number, since it is smaller than the sum of its proper divisors (487753170).

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

260816430 is a wasteful number, since it uses less digits than its factorization.

260816430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 260816430 is about 16149.8120732100. The cubic root of 260816430 is about 638.9177918395.

The spelling of 260816430 in words is "two hundred sixty million, eight hundred sixteen thousand, four hundred thirty".