12289626456 has 16 divisors (see below), whose sum is σ = 30724066200. Its totient is φ = 4096542144.

The previous prime is 12289626373. The next prime is 12289626469. The reversal of 12289626456 is 65462698221.

It is a junction number, because it is equal to n+sod(n) for n = 12289626399 and 12289626408.

It is a congruent number.

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, 256033861 + ... + 256033908.

Almost surely, 2^12289626456 is an apocalyptic number.

It is an amenable number.

12289626456 is an abundant number, since it is smaller than the sum of its proper divisors (18434439744).

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

12289626456 is a wasteful number, since it uses less digits than its factorization.

12289626456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512067778 (or 512067774 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The spelling of 12289626456 in words is "twelve billion, two hundred eighty-nine million, six hundred twenty-six thousand, four hundred fifty-six".