4378123268848 has 40 divisors (see below), whose sum is σ = 9743626091232. Its totient is φ = 1866813973248.

The previous prime is 4378123268809. The next prime is 4378123268851. The reversal of 4378123268848 is 8488623218734.

It is a self number, because there is not a number n which added to its sum of digits gives 4378123268848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99192115 + ... + 99236242.

Almost surely, 2^{4378123268848} is an apocalyptic number.

It is an amenable number.

4378123268848 is an abundant number, since it is smaller than the sum of its proper divisors (5365502822384).

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

4378123268848 is a wasteful number, since it uses less digits than its factorization.

4378123268848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198428569 (or 198428563 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 64.

The spelling of 4378123268848 in words is "four trillion, three hundred seventy-eight billion, one hundred twenty-three million, two hundred sixty-eight thousand, eight hundred forty-eight".