260765604 has 72 divisors (see below), whose sum is σ = 731334240. Its totient is φ = 77673600.

The previous prime is 260765599. The next prime is 260765627. The reversal of 260765604 is 406567062.

260765604 is a `hidden beast` number, since 26 + 0 + 76 + 560 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17784 + ... + 28944.

It is an arithmetic number, because the mean of its divisors is an integer number (10157420).

Almost surely, 2^260765604 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 260765604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365667120).

260765604 is an abundant number, since it is smaller than the sum of its proper divisors (470568636).

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

260765604 is a wasteful number, since it uses less digits than its factorization.

260765604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241 (or 11236 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 260765604 is about 16148.2384178585. The cubic root of 260765604 is about 638.8762865998.

The spelling of 260765604 in words is "two hundred sixty million, seven hundred sixty-five thousand, six hundred four".