4405424724 has 18 divisors (see below), whose sum is σ = 11135934810. Its totient is φ = 1468474896.

The previous prime is 4405424719. The next prime is 4405424747. The reversal of 4405424724 is 4274245044.

4405424724 is a `hidden beast` number, since 4 + 40 + 542 + 4 + 72 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3460968900 + 944455824 = 58830^2 + 30732^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 122372909 = 4405424724 / (4 + 4 + 0 + 5 + 4 + 2 + 4 + 7 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61186419 + ... + 61186490.

It is an arithmetic number, because the mean of its divisors is an integer number (618663045).

Almost surely, 2^4405424724 is an apocalyptic number.

It is an amenable number.

4405424724 is an abundant number, since it is smaller than the sum of its proper divisors (6730510086).

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

4405424724 is a wasteful number, since it uses less digits than its factorization.

4405424724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122372919 (or 122372914 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 36.

The square root of 4405424724 is about 66373.3736071928. The cubic root of 4405424724 is about 1639.3156876321.

Adding to 4405424724 its reverse (4274245044), we get a palindrome (8679669768).

The spelling of 4405424724 in words is "four billion, four hundred five million, four hundred twenty-four thousand, seven hundred twenty-four".