260213440 has 28 divisors (see below), whose sum is σ = 619634016. Its totient is φ = 104085248.

The previous prime is 260213419. The next prime is 260213453. The reversal of 260213440 is 44312062.

It is a happy number.

260213440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260213440² = 135422068713267200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406264 + ... + 406903.

Almost surely, 2^260213440 is an apocalyptic number.

260213440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260213440 is an abundant number, since it is smaller than the sum of its proper divisors (359420576).

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

260213440 is an equidigital number, since it uses as much as digits as its factorization.

260213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813184 (or 813174 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 260213440 is about 16131.1326322735. The cubic root of 260213440 is about 638.4250336182.

The spelling of 260213440 in words is "two hundred sixty million, two hundred thirteen thousand, four hundred forty".