432442320 has 80 divisors (see below), whose sum is σ = 1398874752. Its totient is φ = 110302720.

The previous prime is 432442303. The next prime is 432442331. The reversal of 432442320 is 23244234.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33651 + ... + 44690.

Almost surely, 2^432442320 is an apocalyptic number.

432442320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

432442320 is an abundant number, since it is smaller than the sum of its proper divisors (966432432).

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

432442320 is a wasteful number, since it uses less digits than its factorization.

432442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78380 (or 78374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 432442320 is about 20795.2475339920. The cubic root of 432442320 is about 756.2105457640.

Adding to 432442320 its reverse (23244234), we get a palindrome (455686554).

The spelling of 432442320 in words is "four hundred thirty-two million, four hundred forty-two thousand, three hundred twenty".