260335040 has 84 divisors (see below), whose sum is σ = 721178136. Its totient is φ = 89252352.

The previous prime is 260335039. The next prime is 260335043. The reversal of 260335040 is 40533062.

It is a junction number, because it is equal to n+sod(n) for n = 260334997 and 260335015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260335043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7379 + ... + 23981.

It is an arithmetic number, because the mean of its divisors is an integer number (8585454).

Almost surely, 2^260335040 is an apocalyptic number.

260335040 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 260335040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360589068).

260335040 is an abundant number, since it is smaller than the sum of its proper divisors (460843096).

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

260335040 is a wasteful number, since it uses less digits than its factorization.

260335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16634 (or 16617 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 260335040 is about 16134.9013012166. The cubic root of 260335040 is about 638.5244653186.

The spelling of 260335040 in words is "two hundred sixty million, three hundred thirty-five thousand, forty".