12439426480 has 160 divisors (see below), whose sum is σ = 32001951744. Its totient is φ = 4468359168.

The previous prime is 12439426471. The next prime is 12439426523. The reversal of 12439426480 is 8462493421.

12439426480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 6999352 + ... + 7001128.

Almost surely, 2^12439426480 is an apocalyptic number.

12439426480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12439426480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16000975872).

12439426480 is an abundant number, since it is smaller than the sum of its proper divisors (19562525264).

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

12439426480 is a wasteful number, since it uses less digits than its factorization.

12439426480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 12439426480 in words is "twelve billion, four hundred thirty-nine million, four hundred twenty-six thousand, four hundred eighty".