260535380 has 24 divisors (see below), whose sum is σ = 625285248. Its totient is φ = 89326368.

The previous prime is 260535349. The next prime is 260535383. The reversal of 260535380 is 83535062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260535383) 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, 930344 + ... + 930623.

It is an arithmetic number, because the mean of its divisors is an integer number (26053552).

Almost surely, 2^260535380 is an apocalyptic number.

260535380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260535380 is an abundant number, since it is smaller than the sum of its proper divisors (364749868).

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

260535380 is a wasteful number, since it uses less digits than its factorization.

260535380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860983 (or 1860981 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 260535380 is about 16141.1083882118. The cubic root of 260535380 is about 638.6882148103.

The spelling of 260535380 in words is "two hundred sixty million, five hundred thirty-five thousand, three hundred eighty".