260027440 has 20 divisors (see below), whose sum is σ = 604563984. Its totient is φ = 104010944.

The previous prime is 260027437. The next prime is 260027447. The reversal of 260027440 is 44720062.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×260027440² = 135228539105907200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260027447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1625092 + ... + 1625251.

Almost surely, 2^260027440 is an apocalyptic number.

260027440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260027440 is an abundant number, since it is smaller than the sum of its proper divisors (344536544).

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

260027440 is a wasteful number, since it uses less digits than its factorization.

260027440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250356 (or 3250350 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 260027440 is about 16125.3663524275. The cubic root of 260027440 is about 638.2728824190.

The spelling of 260027440 in words is "two hundred sixty million, twenty-seven thousand, four hundred forty".