4421003432 has 16 divisors (see below), whose sum is σ = 8491562100. Its totient is φ = 2156586880.

The previous prime is 4421003413. The next prime is 4421003449. The reversal of 4421003432 is 2343001244.

It can be written as a sum of positive squares in 2 ways, for example, as 4027933156 + 393070276 = 63466^2 + 19826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4421003398 and 4421003407.

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, 6739007 + ... + 6739662.

Almost surely, 2^4421003432 is an apocalyptic number.

It is an amenable number.

4421003432 is a deficient number, since it is larger than the sum of its proper divisors (4070558668).

4421003432 is a wasteful number, since it uses less digits than its factorization.

4421003432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478716 (or 13478712 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4421003432 is about 66490.6266476712. The cubic root of 4421003432 is about 1641.2457607848.

Adding to 4421003432 its reverse (2343001244), we get a palindrome (6764004676).

The spelling of 4421003432 in words is "four billion, four hundred twenty-one million, three thousand, four hundred thirty-two".