260012420 has 24 divisors (see below), whose sum is σ = 548806104. Its totient is φ = 103475456.

The previous prime is 260012419. The next prime is 260012453. The reversal of 260012420 is 24210062.

It can be written as a sum of positive squares in 4 ways, for example, as 126517504 + 133494916 = 11248^2 + 11554^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29057 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (22866921).

Almost surely, 2^260012420 is an apocalyptic number.

260012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260012420 is an abundant number, since it is smaller than the sum of its proper divisors (288793684).

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

260012420 is a wasteful number, since it uses less digits than its factorization.

260012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66199 (or 66197 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 260012420 is about 16124.9006198488. The cubic root of 260012420 is about 638.2605926349.

Adding to 260012420 its reverse (24210062), we get a palindrome (284222482).

The spelling of 260012420 in words is "two hundred sixty million, twelve thousand, four hundred twenty".