260446240 has 48 divisors (see below), whose sum is σ = 626934168. Its totient is φ = 102209536.

The previous prime is 260446231. The next prime is 260446279. The reversal of 260446240 is 42644062.

It can be written as a sum of positive squares in 4 ways, for example, as 256896784 + 3549456 = 16028^2 + 1884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 260446199 and 260446208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6877 + ... + 23836.

Almost surely, 2^260446240 is an apocalyptic number.

260446240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260446240 is an abundant number, since it is smaller than the sum of its proper divisors (366487928).

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

260446240 is a wasteful number, since it uses less digits than its factorization.

260446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30781 (or 30773 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 260446240 is about 16138.3468794050. The cubic root of 260446240 is about 638.6153658922.

The spelling of 260446240 in words is "two hundred sixty million, four hundred forty-six thousand, two hundred forty".