4421724720 has 120 divisors (see below), whose sum is σ = 15945323184. Its totient is φ = 1010677248.

The previous prime is 4421724719. The next prime is 4421724737. The reversal of 4421724720 is 274271244.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 176239 + ... + 199758.

Almost surely, 2^4421724720 is an apocalyptic number.

4421724720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421724720 is an abundant number, since it is smaller than the sum of its proper divisors (11523598464).

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

4421724720 is a wasteful number, since it uses less digits than its factorization.

4421724720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376027 (or 376014 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 4421724720 is about 66496.0504090281. The cubic root of 4421724720 is about 1641.3350125061.

Adding to 4421724720 its reverse (274271244), we get a palindrome (4695995964).

The spelling of 4421724720 in words is "four billion, four hundred twenty-one million, seven hundred twenty-four thousand, seven hundred twenty".