12405043360 has 24 divisors (see below), whose sum is σ = 29306915316. Its totient is φ = 4962017280.

The previous prime is 12405043351. The next prime is 12405043379. The reversal of 12405043360 is 6334050421.

It can be written as a sum of positive squares in 2 ways, for example, as 12048135696 + 356907664 = 109764^2 + 18892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38765601 + ... + 38765920.

Almost surely, 2^12405043360 is an apocalyptic number.

12405043360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12405043360 is an abundant number, since it is smaller than the sum of its proper divisors (16901871956).

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

12405043360 is an equidigital number, since it uses as much as digits as its factorization.

12405043360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77531536 (or 77531528 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12405043360 its reverse (6334050421), we get a palindrome (18739093781).

The spelling of 12405043360 in words is "twelve billion, four hundred five million, forty-three thousand, three hundred sixty".