4399990802 has 8 divisors (see below), whose sum is σ = 6601953036. Its totient is φ = 2199339792.

The previous prime is 4399990801. The next prime is 4399990823. The reversal of 4399990802 is 2080999934.

It can be written as a sum of positive squares in 2 ways, for example, as 2700984841 + 1699005961 = 51971^2 + 41219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4399990801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319373 + ... + 332864.

Almost surely, 2^4399990802 is an apocalyptic number.

4399990802 is a deficient number, since it is larger than the sum of its proper divisors (2201962234).

4399990802 is a wasteful number, since it uses less digits than its factorization.

4399990802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655612.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 4399990802 is about 66332.4264745381. The cubic root of 4399990802 is about 1638.6413993646.

The spelling of 4399990802 in words is "four billion, three hundred ninety-nine million, nine hundred ninety thousand, eight hundred two".