260959860 has 384 divisors, whose sum is σ = 1021870080. Its totient is φ = 53913600.

The previous prime is 260959849. The next prime is 260959879. The reversal of 260959860 is 68959062.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1991995 + ... + 1992125.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^260959860 is an apocalyptic number.

260959860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260959860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510935040).

260959860 is an abundant number, since it is smaller than the sum of its proper divisors (760910220).

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

260959860 is a wasteful number, since it uses less digits than its factorization.

260959860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 260959860 is about 16154.2520718231. The cubic root of 260959860 is about 639.0348897611.

The spelling of 260959860 in words is "two hundred sixty million, nine hundred fifty-nine thousand, eight hundred sixty".