260227440 has 360 divisors, whose sum is σ = 1003373280. Its totient is φ = 60318720.

The previous prime is 260227427. The next prime is 260227441. The reversal of 260227440 is 44722062.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260227441) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2526429 + ... + 2526531.

It is an arithmetic number, because the mean of its divisors is an integer number (2787148).

Almost surely, 2^260227440 is an apocalyptic number.

260227440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260227440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501686640).

260227440 is an abundant number, since it is smaller than the sum of its proper divisors (743145840).

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

260227440 is a wasteful number, since it uses less digits than its factorization.

260227440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 260227440 is about 16131.5665699274. The cubic root of 260227440 is about 638.4364829246.

The spelling of 260227440 in words is "two hundred sixty million, two hundred twenty-seven thousand, four hundred forty".