260226440 has 32 divisors (see below), whose sum is σ = 588087000. Its totient is φ = 103632384.

The previous prime is 260226437. The next prime is 260226443. The reversal of 260226440 is 44622062.

260226440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (260226437) and next prime (260226443).

It can be written as a sum of positive squares in 4 ways, for example, as 255808036 + 4418404 = 15994^2 + 2102^2 .

It is not an unprimeable number, because it can be changed into a prime (260226443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045 + ... + 23364.

Almost surely, 2^260226440 is an apocalyptic number.

260226440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260226440 is an abundant number, since it is smaller than the sum of its proper divisors (327860560).

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

260226440 is a wasteful number, since it uses less digits than its factorization.

260226440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28649 (or 28645 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 260226440 is about 16131.5355747678. The cubic root of 260226440 is about 638.4356651306.

The spelling of 260226440 in words is "two hundred sixty million, two hundred twenty-six thousand, four hundred forty".