12428392608 has 72 divisors (see below), whose sum is σ = 36879923808. Its totient is φ = 3962673792.

The previous prime is 12428392597. The next prime is 12428392633. The reversal of 12428392608 is 80629382421.

12428392608 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 8 + 39 + 2 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931510 + ... + 944757.

It is an arithmetic number, because the mean of its divisors is an integer number (512221164).

Almost surely, 2^12428392608 is an apocalyptic number.

12428392608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12428392608 is an abundant number, since it is smaller than the sum of its proper divisors (24451531200).

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

12428392608 is a wasteful number, since it uses less digits than its factorization.

12428392608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876306 (or 1876295 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 12428392608 in words is "twelve billion, four hundred twenty-eight million, three hundred ninety-two thousand, six hundred eight".