4421797720 has 16 divisors (see below), whose sum is σ = 9949044960. Its totient is φ = 1768719072.

The previous prime is 4421797687. The next prime is 4421797729. The reversal of 4421797720 is 277971244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421797729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55272432 + ... + 55272511.

It is an arithmetic number, because the mean of its divisors is an integer number (621815310).

Almost surely, 2^4421797720 is an apocalyptic number.

4421797720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421797720 is an abundant number, since it is smaller than the sum of its proper divisors (5527247240).

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

4421797720 is a wasteful number, since it uses less digits than its factorization.

4421797720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110544954 (or 110544950 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 4421797720 is about 66496.5993115437. The cubic root of 4421797720 is about 1641.3440449391.

The spelling of 4421797720 in words is "four billion, four hundred twenty-one million, seven hundred ninety-seven thousand, seven hundred twenty".