260022840 has 256 divisors, whose sum is σ = 985374720. Its totient is φ = 53322240.

The previous prime is 260022827. The next prime is 260022857. The reversal of 260022840 is 48220062.

It is a super-2 number, since 2×260022840² = 135223754643331200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260022840.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 988549 + ... + 988811.

It is an arithmetic number, because the mean of its divisors is an integer number (3849120).

Almost surely, 2^260022840 is an apocalyptic number.

260022840 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 260022840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492687360).

260022840 is an abundant number, since it is smaller than the sum of its proper divisors (725351880).

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

260022840 is a wasteful number, since it uses less digits than its factorization.

260022840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 260022840 is about 16125.2237193783. The cubic root of 260022840 is about 638.2691186206.

The spelling of 260022840 in words is "two hundred sixty million, twenty-two thousand, eight hundred forty".