4047999904 has 48 divisors (see below), whose sum is σ = 8658590472. Its totient is φ = 1851752448.

The previous prime is 4047999881. The next prime is 4047999929. The reversal of 4047999904 is 4099997404.

It can be written as a sum of positive squares in 4 ways, for example, as 280495504 + 3767504400 = 16748^2 + 61380^2 .

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, 3952 + ... + 90064.

Almost surely, 2^4047999904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4047999904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4329295236).

4047999904 is an abundant number, since it is smaller than the sum of its proper divisors (4610590568).

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

4047999904 is a wasteful number, since it uses less digits than its factorization.

4047999904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86249 (or 86241 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 4047999904 is about 63623.8941279139. The cubic root of 4047999904 is about 1593.7254131406.

The spelling of 4047999904 in words is "four billion, forty-seven million, nine hundred ninety-nine thousand, nine hundred four".