4138928804 has 12 divisors (see below), whose sum is σ = 7268903628. Its totient is φ = 2062099200.

The previous prime is 4138928797. The next prime is 4138928813. The reversal of 4138928804 is 4088298314.

It is a happy number.

4138928804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1573708900 + 2565219904 = 39670^2 + 50648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840037 + ... + 1842284.

It is an arithmetic number, because the mean of its divisors is an integer number (605741969).

Almost surely, 2^4138928804 is an apocalyptic number.

It is an amenable number.

4138928804 is a deficient number, since it is larger than the sum of its proper divisors (3129974824).

4138928804 is a wasteful number, since it uses less digits than its factorization.

4138928804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682606 (or 3682604 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 4138928804 is about 64334.5071015548. The cubic root of 4138928804 is about 1605.5702730527.

The spelling of 4138928804 in words is "four billion, one hundred thirty-eight million, nine hundred twenty-eight thousand, eight hundred four".