4442002236 has 144 divisors (see below), whose sum is σ = 13425205248. Its totient is φ = 1210809600.

The previous prime is 4442002219. The next prime is 4442002237. The reversal of 4442002236 is 6322002444.

4442002236 is a `hidden beast` number, since 4 + 4 + 420 + 0 + 2 + 236 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442002237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3018981 + ... + 3020451.

It is an arithmetic number, because the mean of its divisors is an integer number (93230592).

Almost surely, 2^4442002236 is an apocalyptic number.

4442002236 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4442002236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6712602624).

4442002236 is an abundant number, since it is smaller than the sum of its proper divisors (8983203012).

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

4442002236 is a wasteful number, since it uses less digits than its factorization.

4442002236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4442002236 is about 66648.3475864181. The cubic root of 4442002236 is about 1643.8401775121.

The spelling of 4442002236 in words is "four billion, four hundred forty-two million, two thousand, two hundred thirty-six".