12044280438 has 12 divisors (see below), whose sum is σ = 26095940988. Its totient is φ = 4014760140.

The previous prime is 12044280403. The next prime is 12044280461. The reversal of 12044280438 is 83408244021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334563328 + ... + 334563363.

It is an arithmetic number, because the mean of its divisors is an integer number (2174661749).

Almost surely, 2^12044280438 is an apocalyptic number.

12044280438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12044280438 is an abundant number, since it is smaller than the sum of its proper divisors (14051660550).

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

12044280438 is a wasteful number, since it uses less digits than its factorization.

12044280438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669126699 (or 669126696 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 12044280438 in words is "twelve billion, forty-four million, two hundred eighty thousand, four hundred thirty-eight".