260024440 has 128 divisors (see below), whose sum is σ = 668606400. Its totient is φ = 90316800.

The previous prime is 260024423. The next prime is 260024441. The reversal of 260024440 is 44420062.

It is a super-2 number, since 2×260024440² = 135225418794627200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260024441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648240 + ... + 648640.

Almost surely, 2^260024440 is an apocalyptic number.

260024440 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 260024440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334303200).

260024440 is an abundant number, since it is smaller than the sum of its proper divisors (408581960).

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

260024440 is a wasteful number, since it uses less digits than its factorization.

260024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 260024440 is about 16125.2733310167. The cubic root of 260024440 is about 638.2704277729.

The spelling of 260024440 in words is "two hundred sixty million, twenty-four thousand, four hundred forty".