260122896 has 90 divisors (see below), whose sum is σ = 800233070. Its totient is φ = 78819840.

The previous prime is 260122879. The next prime is 260122897. The reversal of 260122896 is 698221062.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 250905600 + 9217296 = 15840^2 + 3036^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 260122896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260122897) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9960 + ... + 24888.

Almost surely, 2^260122896 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 260122896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400116535).

260122896 is an abundant number, since it is smaller than the sum of its proper divisors (540110174).

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

260122896 is a wasteful number, since it uses less digits than its factorization.

260122896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14965 (or 14945 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 260122896 is about 16128.3258895646. The cubic root of 260122896 is about 638.3509761288.

The spelling of 260122896 in words is "two hundred sixty million, one hundred twenty-two thousand, eight hundred ninety-six".