4278241838 has 16 divisors (see below), whose sum is σ = 6921985056. Its totient is φ = 1971436320.

The previous prime is 4278241783. The next prime is 4278241861. The reversal of 4278241838 is 8381428724.

It is a happy number.

4278241838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4278241792 and 4278241801.

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, 113981 + ... + 146792.

It is an arithmetic number, because the mean of its divisors is an integer number (432624066).

Almost surely, 2^4278241838 is an apocalyptic number.

4278241838 is a deficient number, since it is larger than the sum of its proper divisors (2643743218).

4278241838 is a wasteful number, since it uses less digits than its factorization.

4278241838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261419.

The product of its digits is 688128, while the sum is 47.

The square root of 4278241838 is about 65408.2704097884. The cubic root of 4278241838 is about 1623.3859271578.

The spelling of 4278241838 in words is "four billion, two hundred seventy-eight million, two hundred forty-one thousand, eight hundred thirty-eight".