4421853444 has 24 divisors (see below), whose sum is σ = 10569309408. Its totient is φ = 1438000960.

The previous prime is 4421853439. The next prime is 4421853463. The reversal of 4421853444 is 4443581244.

It is a super-2 number, since 2×4421853444² = 39105575760429322272, which contains 22 as substring.

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, 4493262 + ... + 4494245.

It is an arithmetic number, because the mean of its divisors is an integer number (440387892).

Almost surely, 2^4421853444 is an apocalyptic number.

It is an amenable number.

4421853444 is an abundant number, since it is smaller than the sum of its proper divisors (6147455964).

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

4421853444 is a wasteful number, since it uses less digits than its factorization.

4421853444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987555 (or 8987553 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 4421853444 is about 66497.0183090941. The cubic root of 4421853444 is about 1641.3509397119.

The spelling of 4421853444 in words is "four billion, four hundred twenty-one million, eight hundred fifty-three thousand, four hundred forty-four".