260692578 has 96 divisors (see below), whose sum is σ = 624599040. Its totient is φ = 78265440.

The previous prime is 260692573. The next prime is 260692633. The reversal of 260692578 is 875296062.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260692573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710151 + ... + 710517.

It is an arithmetic number, because the mean of its divisors is an integer number (6506240).

Almost surely, 2^260692578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260692578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312299520).

260692578 is an abundant number, since it is smaller than the sum of its proper divisors (363906462).

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

260692578 is a wasteful number, since it uses less digits than its factorization.

260692578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 260692578 is about 16145.9771460262. The cubic root of 260692578 is about 638.8166430799.

The spelling of 260692578 in words is "two hundred sixty million, six hundred ninety-two thousand, five hundred seventy-eight".