4442399290 has 36 divisors (see below), whose sum is σ = 9304930458. Its totient is φ = 1522602480.

The previous prime is 4442399287. The next prime is 4442399333. The reversal of 4442399290 is 929932444.

It can be written as a sum of positive squares in only one way, i.e., 3998159361 + 444239929 = 63231^2 + 21077^2 .

It is a super-2 number, since 2×4442399290² = 39469822903585008200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4442399290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1473885 + ... + 1476895.

Almost surely, 2^4442399290 is an apocalyptic number.

4442399290 is an abundant number, since it is smaller than the sum of its proper divisors (4862531168).

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

4442399290 is an frugal number, since it uses more digits than its factorization.

4442399290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 4442399290 is about 66651.3262433689. The cubic root of 4442399290 is about 1643.8891549654.

The spelling of 4442399290 in words is "four billion, four hundred forty-two million, three hundred ninety-nine thousand, two hundred ninety".