4390328690 has 16 divisors (see below), whose sum is σ = 8621009280. Its totient is φ = 1596483120.

The previous prime is 4390328623. The next prime is 4390328759. The reversal of 4390328690 is 968230934.

It is a super-2 number, since 2×4390328690² = 38549972012474232200, which contains 22 as substring.

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, 19955930 + ... + 19956149.

It is an arithmetic number, because the mean of its divisors is an integer number (538813080).

Almost surely, 2^4390328690 is an apocalyptic number.

4390328690 is a deficient number, since it is larger than the sum of its proper divisors (4230680590).

4390328690 is a wasteful number, since it uses less digits than its factorization.

4390328690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39912097.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4390328690 is about 66259.5554618351. Note that the first 3 decimals coincide. The cubic root of 4390328690 is about 1637.4410680576.

The spelling of 4390328690 in words is "four billion, three hundred ninety million, three hundred twenty-eight thousand, six hundred ninety".