4420124405 has 4 divisors (see below), whose sum is σ = 5304149292. Its totient is φ = 3536099520.

The previous prime is 4420124381. The next prime is 4420124411. The reversal of 4420124405 is 5044210244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3365044081 + 1055080324 = 58009^2 + 32482^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4420124405 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442012436 + ... + 442012445.

It is an arithmetic number, because the mean of its divisors is an integer number (1326037323).

Almost surely, 2^4420124405 is an apocalyptic number.

It is an amenable number.

4420124405 is a deficient number, since it is larger than the sum of its proper divisors (884024887).

4420124405 is an equidigital number, since it uses as much as digits as its factorization.

4420124405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884024886.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4420124405 is about 66484.0161617813. The cubic root of 4420124405 is about 1641.1369774142.

Adding to 4420124405 its reverse (5044210244), we get a palindrome (9464334649).

The spelling of 4420124405 in words is "four billion, four hundred twenty million, one hundred twenty-four thousand, four hundred five".