12448438056 has 48 divisors (see below), whose sum is σ = 33720766560. Its totient is φ = 4148710560.

The previous prime is 12448438049. The next prime is 12448438087. The reversal of 12448438056 is 65083484421.

12448438056 is a `hidden beast` number, since 124 + 48 + 438 + 0 + 56 = 666.

It is a super-2 number, since 2×12448438056² (a number of 21 digits) contains 22 as substring.

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, 482131 + ... + 507293.

It is an arithmetic number, because the mean of its divisors is an integer number (702515970).

Almost surely, 2^12448438056 is an apocalyptic number.

It is an amenable number.

12448438056 is an abundant number, since it is smaller than the sum of its proper divisors (21272328504).

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

12448438056 is a wasteful number, since it uses less digits than its factorization.

12448438056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32046 (or 32039 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 12448438056 in words is "twelve billion, four hundred forty-eight million, four hundred thirty-eight thousand, fifty-six".