12426075648 has 160 divisors (see below), whose sum is σ = 42036952320. Its totient is φ = 3550279680.

The previous prime is 12426075647. The next prime is 12426075661. The reversal of 12426075648 is 84657062421.

12426075648 is a `hidden beast` number, since 1 + 24 + 2 + 60 + 7 + 564 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426075647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32563 + ... + 160973.

It is an arithmetic number, because the mean of its divisors is an integer number (262730952).

Almost surely, 2^12426075648 is an apocalyptic number.

12426075648 is a gapful number since it is divisible by the number (18) 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 12426075648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018476160).

12426075648 is an abundant number, since it is smaller than the sum of its proper divisors (29610876672).

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

12426075648 is an equidigital number, since it uses as much as digits as its factorization.

12426075648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128445 (or 128423 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 12426075648 in words is "twelve billion, four hundred twenty-six million, seventy-five thousand, six hundred forty-eight".