4239390244 has 24 divisors (see below), whose sum is σ = 7661541888. Its totient is φ = 2050437120.

The previous prime is 4239390229. The next prime is 4239390269. The reversal of 4239390244 is 4420939324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4239390197 and 4239390206.

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, 354084 + ... + 365860.

It is an arithmetic number, because the mean of its divisors is an integer number (319230912).

Almost surely, 2^4239390244 is an apocalyptic number.

It is an amenable number.

4239390244 is a deficient number, since it is larger than the sum of its proper divisors (3422151644).

4239390244 is a wasteful number, since it uses less digits than its factorization.

4239390244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14715 (or 14713 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 4239390244 is about 65110.6000893864. The cubic root of 4239390244 is about 1618.4568758429.

The spelling of 4239390244 in words is "four billion, two hundred thirty-nine million, three hundred ninety thousand, two hundred forty-four".