260421084260 has 24 divisors (see below), whose sum is σ = 547797297600. Its totient is φ = 103994525024.

The previous prime is 260421084241. The next prime is 260421084269. The reversal of 260421084260 is 62480124062.

It is a super-2 number, since 2×260421084260² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260421084260.

It is not an unprimeable number, because it can be changed into a prime (260421084269) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10857014 + ... + 10880973.

It is an arithmetic number, because the mean of its divisors is an integer number (22824887400).

Almost surely, 2^260421084260 is an apocalyptic number.

260421084260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260421084260 is an abundant number, since it is smaller than the sum of its proper divisors (287376213340).

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

260421084260 is a wasteful number, since it uses less digits than its factorization.

260421084260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21738595 (or 21738593 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 260421084260 in words is "two hundred sixty billion, four hundred twenty-one million, eighty-four thousand, two hundred sixty".