4238439870 has 32 divisors (see below), whose sum is σ = 11625435648. Its totient is φ = 968786208.

The previous prime is 4238439869. The next prime is 4238439889. The reversal of 4238439870 is 789348324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10091314 + ... + 10091733.

It is an arithmetic number, because the mean of its divisors is an integer number (363294864).

Almost surely, 2^4238439870 is an apocalyptic number.

4238439870 is an abundant number, since it is smaller than the sum of its proper divisors (7386995778).

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

4238439870 is a wasteful number, since it uses less digits than its factorization.

4238439870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183064.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 4238439870 is about 65103.3015291851. The cubic root of 4238439870 is about 1618.3359265083.

The spelling of 4238439870 in words is "four billion, two hundred thirty-eight million, four hundred thirty-nine thousand, eight hundred seventy".