2133768448 has 36 divisors (see below), whose sum is σ = 4867663360. Its totient is φ = 914471424.

The previous prime is 2133768421. The next prime is 2133768449. The reversal of 2133768448 is 8448673312.

It is a junction number, because it is equal to n+sod(n) for n = 2133768398 and 2133768407.

It is not an unprimeable number, because it can be changed into a prime (2133768449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593568 + ... + 597151.

Almost surely, 2^2133768448 is an apocalyptic number.

2133768448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2133768448 is an abundant number, since it is smaller than the sum of its proper divisors (2733894912).

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

2133768448 is an equidigital number, since it uses as much as digits as its factorization.

2133768448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190742 (or 1190728 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 2133768448 is about 46192.7315494548. The cubic root of 2133768448 is about 1287.4066940646.

The spelling of 2133768448 in words is "two billion, one hundred thirty-three million, seven hundred sixty-eight thousand, four hundred forty-eight".