12892444444 has 24 divisors (see below), whose sum is σ = 24950017008. Its totient is φ = 5779923840.

The previous prime is 12892444417. The next prime is 12892444459. The reversal of 12892444444 is 44444429821.

12892444444 is a modest number, since divided by 444444 gives 12892 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12892444394 and 12892444403.

It is a congruent number.

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, 2003707 + ... + 2010130.

It is an arithmetic number, because the mean of its divisors is an integer number (1039584042).

Almost surely, 2^12892444444 is an apocalyptic number.

It is an amenable number.

12892444444 is a deficient number, since it is larger than the sum of its proper divisors (12057572564).

12892444444 is a wasteful number, since it uses less digits than its factorization.

12892444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013925 (or 4013923 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 46.

The spelling of 12892444444 in words is "twelve billion, eight hundred ninety-two million, four hundred forty-four thousand, four hundred forty-four".