260819244 has 144 divisors (see below), whose sum is σ = 800755200. Its totient is φ = 71915040.

The previous prime is 260819203. The next prime is 260819249. The reversal of 260819244 is 442918062.

260819244 = T₂₇ + T₂₈ + ... + T₁₁₆₀.

260819244 is a `hidden beast` number, since 2 + 608 + 1 + 9 + 2 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 260819199 and 260819208.

It is not an unprimeable number, because it can be changed into a prime (260819249) 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, 726337 + ... + 726695.

It is an arithmetic number, because the mean of its divisors is an integer number (5560800).

Almost surely, 2^260819244 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 260819244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400377600).

260819244 is an abundant number, since it is smaller than the sum of its proper divisors (539935956).

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

260819244 is a wasteful number, since it uses less digits than its factorization.

260819244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 260819244 is about 16149.8991947318. The cubic root of 260819244 is about 638.9200896347.

The spelling of 260819244 in words is "two hundred sixty million, eight hundred nineteen thousand, two hundred forty-four".