260722650 has 48 divisors (see below), whose sum is σ = 655725888. Its totient is φ = 68544000.

The previous prime is 260722577. The next prime is 260722663. The reversal of 260722650 is 56227062.

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

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, 1591 + ... + 22890.

It is an arithmetic number, because the mean of its divisors is an integer number (13660956).

Almost surely, 2^260722650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260722650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327862944).

260722650 is an abundant number, since it is smaller than the sum of its proper divisors (395003238).

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

260722650 is a wasteful number, since it uses less digits than its factorization.

260722650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24567 (or 24562 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 260722650 is about 16146.9083728124. The cubic root of 260722650 is about 638.8412055430.

The spelling of 260722650 in words is "two hundred sixty million, seven hundred twenty-two thousand, six hundred fifty".