4442403402 has 72 divisors (see below), whose sum is σ = 10205159328. Its totient is φ = 1396256400.

The previous prime is 4442403389. The next prime is 4442403437. The reversal of 4442403402 is 2043042444.

It is a happy number.

It is a super-2 number, since 2×4442403402² = 39469895972202347208, which contains 22 as substring.

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 35 ways as a sum of consecutive naturals, for example, 672777 + ... + 679347.

It is an arithmetic number, because the mean of its divisors is an integer number (141738324).

Almost surely, 2^4442403402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4442403402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5102579664).

4442403402 is an abundant number, since it is smaller than the sum of its proper divisors (5762755926).

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

4442403402 is a wasteful number, since it uses less digits than its factorization.

4442403402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696 (or 6670 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4442403402 is about 66651.3570904599. The cubic root of 4442403402 is about 1643.8896621741.

Adding to 4442403402 its reverse (2043042444), we get a palindrome (6485445846).

The spelling of 4442403402 in words is "four billion, four hundred forty-two million, four hundred three thousand, four hundred two".