260021484 has 72 divisors (see below), whose sum is σ = 675118080. Its totient is φ = 84343392.

The previous prime is 260021471. The next prime is 260021491. The reversal of 260021484 is 484120062.

It is a super-2 number, since 2×260021484² = 135222344283124512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404067 + ... + 404709.

It is an arithmetic number, because the mean of its divisors is an integer number (9376640).

Almost surely, 2^260021484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260021484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337559040).

260021484 is an abundant number, since it is smaller than the sum of its proper divisors (415096596).

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

260021484 is a wasteful number, since it uses less digits than its factorization.

260021484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 260021484 is about 16125.1816733952. The cubic root of 260021484 is about 638.2680091098.

The spelling of 260021484 in words is "two hundred sixty million, twenty-one thousand, four hundred eighty-four".