4442662444 has 24 divisors (see below), whose sum is σ = 8516659536. Its totient is φ = 2011008000.

The previous prime is 4442662429. The next prime is 4442662489.

It is a happy number.

4442662444 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4442662397 and 4442662406.

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, 198877 + ... + 220084.

It is an arithmetic number, because the mean of its divisors is an integer number (354860814).

Almost surely, 2^4442662444 is an apocalyptic number.

4442662444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4442662444 is a deficient number, since it is larger than the sum of its proper divisors (4073997092).

4442662444 is a wasteful number, since it uses less digits than its factorization.

4442662444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419217 (or 419215 counting only the distinct ones).

The product of its digits is 589824, while the sum is 40.

The square root of 4442662444 is about 66653.3003233898. The cubic root of 4442662444 is about 1643.9216139616.

The spelling of 4442662444 in words is "four billion, four hundred forty-two million, six hundred sixty-two thousand, four hundred forty-four".