4432163620 has 48 divisors (see below), whose sum is σ = 9765374976. Its totient is φ = 1687536000.

The previous prime is 4432163587. The next prime is 4432163629. The reversal of 4432163620 is 263612344.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4432163629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20776 + ... + 96415.

It is an arithmetic number, because the mean of its divisors is an integer number (203445312).

Almost surely, 2^4432163620 is an apocalyptic number.

It is an amenable number.

4432163620 is an abundant number, since it is smaller than the sum of its proper divisors (5333211356).

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

4432163620 is a wasteful number, since it uses less digits than its factorization.

4432163620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117292 (or 117290 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 4432163620 is about 66574.4967686576. The cubic root of 4432163620 is about 1642.6256300501.

Adding to 4432163620 its reverse (263612344), we get a palindrome (4695775964).

The spelling of 4432163620 in words is "four billion, four hundred thirty-two million, one hundred sixty-three thousand, six hundred twenty".