4423679990 has 32 divisors (see below), whose sum is σ = 8468893440. Its totient is φ = 1657903104.

The previous prime is 4423679989. The next prime is 4423680013. The reversal of 4423679990 is 999763244.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20435 + ... + 96254.

It is an arithmetic number, because the mean of its divisors is an integer number (264652920).

Almost surely, 2^4423679990 is an apocalyptic number.

4423679990 is a deficient number, since it is larger than the sum of its proper divisors (4045213450).

4423679990 is a wasteful number, since it uses less digits than its factorization.

4423679990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116936.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 4423679990 is about 66510.7509354691. The cubic root of 4423679990 is about 1641.5769075727.

The spelling of 4423679990 in words is "four billion, four hundred twenty-three million, six hundred seventy-nine thousand, nine hundred ninety".