260568090 has 80 divisors (see below), whose sum is σ = 737557920. Its totient is φ = 65823840.

The previous prime is 260568073. The next prime is 260568137. The reversal of 260568090 is 90865062.

260568090 is a `hidden beast` number, since 2 + 6 + 0 + 568 + 0 + 90 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6925 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (9219474).

Almost surely, 2^260568090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260568090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368778960).

260568090 is an abundant number, since it is smaller than the sum of its proper divisors (476989830).

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

260568090 is a wasteful number, since it uses less digits than its factorization.

260568090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969 (or 16960 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 260568090 is about 16142.1216077689. The cubic root of 260568090 is about 638.7149426163.

The spelling of 260568090 in words is "two hundred sixty million, five hundred sixty-eight thousand, ninety".