432221340 has 24 divisors (see below), whose sum is σ = 1210219920. Its totient is φ = 115259008.

The previous prime is 432221299. The next prime is 432221341. The reversal of 432221340 is 43122234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432221341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601785 + ... + 3601904.

It is an arithmetic number, because the mean of its divisors is an integer number (50425830).

Almost surely, 2^432221340 is an apocalyptic number.

It is an amenable number.

432221340 is an abundant number, since it is smaller than the sum of its proper divisors (777998580).

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

432221340 is a wasteful number, since it uses less digits than its factorization.

432221340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203701 (or 7203699 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 432221340 is about 20789.9336218277. The cubic root of 432221340 is about 756.0817148032.

Adding to 432221340 its reverse (43122234), we get a palindrome (475343574).

The spelling of 432221340 in words is "four hundred thirty-two million, two hundred twenty-one thousand, three hundred forty".