260003680 has 48 divisors (see below), whose sum is σ = 616551264. Its totient is φ = 103613440.

The previous prime is 260003629. The next prime is 260003683. The reversal of 260003680 is 86300062.

It is a super-2 number, since 2×260003680² = 135203827227084800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260003683) 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, 42069 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (12844818).

Almost surely, 2^260003680 is an apocalyptic number.

260003680 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 260003680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308275632).

260003680 is an abundant number, since it is smaller than the sum of its proper divisors (356547584).

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

260003680 is a wasteful number, since it uses less digits than its factorization.

260003680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079 (or 6071 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 260003680 is about 16124.6296081491. The cubic root of 260003680 is about 638.2534411046.

The spelling of 260003680 in words is "two hundred sixty million, three thousand, six hundred eighty".