432220404 has 96 divisors (see below), whose sum is σ = 1261209600. Its totient is φ = 111922560.

The previous prime is 432220403. The next prime is 432220423. The reversal of 432220404 is 404022234.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432220403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469857 + ... + 470775.

It is an arithmetic number, because the mean of its divisors is an integer number (13137600).

Almost surely, 2^432220404 is an apocalyptic number.

432220404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 432220404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630604800).

432220404 is an abundant number, since it is smaller than the sum of its proper divisors (828989196).

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

432220404 is a wasteful number, since it uses less digits than its factorization.

432220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 432220404 is about 20789.9111109211. The cubic root of 432220404 is about 756.0811690234.

Adding to 432220404 its reverse (404022234), we get a palindrome (836242638).

The spelling of 432220404 in words is "four hundred thirty-two million, two hundred twenty thousand, four hundred four".