12260452440 has 64 divisors (see below), whose sum is σ = 37062178560. Its totient is φ = 3244492160.

The previous prime is 12260452433. The next prime is 12260452453. The reversal of 12260452440 is 4425406221.

12260452440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12260452398 and 12260452407.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 374244 + ... + 405683.

It is an arithmetic number, because the mean of its divisors is an integer number (579096540).

Almost surely, 2^12260452440 is an apocalyptic number.

12260452440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12260452440 is an abundant number, since it is smaller than the sum of its proper divisors (24801726120).

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

12260452440 is a wasteful number, since it uses less digits than its factorization.

12260452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780072 (or 780068 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 12260452440 its reverse (4425406221), we get a palindrome (16685858661).

The spelling of 12260452440 in words is "twelve billion, two hundred sixty million, four hundred fifty-two thousand, four hundred forty".