4402489638 has 32 divisors (see below), whose sum is σ = 8855884800. Its totient is φ = 1459030176.

The previous prime is 4402489613. The next prime is 4402489649. The reversal of 4402489638 is 8369842044.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1361808 + ... + 1365036.

It is an arithmetic number, because the mean of its divisors is an integer number (276746400).

Almost surely, 2^4402489638 is an apocalyptic number.

4402489638 is an abundant number, since it is smaller than the sum of its proper divisors (4453395162).

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

4402489638 is a wasteful number, since it uses less digits than its factorization.

4402489638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 4402489638 is about 66351.2595057547. The cubic root of 4402489638 is about 1638.9515455594.

The spelling of 4402489638 in words is "four billion, four hundred two million, four hundred eighty-nine thousand, six hundred thirty-eight".