12427790328 has 48 divisors (see below), whose sum is σ = 33833033520. Its totient is φ = 4121127936.

The previous prime is 12427790303. The next prime is 12427790341. The reversal of 12427790328 is 82309772421.

It is a congruent number.

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, 433276 + ... + 461067.

It is an arithmetic number, because the mean of its divisors is an integer number (704854865).

Almost surely, 2^12427790328 is an apocalyptic number.

12427790328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12427790328 is an abundant number, since it is smaller than the sum of its proper divisors (21405243192).

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

12427790328 is a wasteful number, since it uses less digits than its factorization.

12427790328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894548 (or 894541 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 12427790328 in words is "twelve billion, four hundred twenty-seven million, seven hundred ninety thousand, three hundred twenty-eight".