432135444 has 48 divisors (see below), whose sum is σ = 1149761088. Its totient is φ = 125142528.

The previous prime is 432135439. The next prime is 432135463. The reversal of 432135444 is 444531234.

It is a super-2 number, since 2×432135444² = 373482083922154272, which contains 22 as substring.

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, 78822 + ... + 84125.

It is an arithmetic number, because the mean of its divisors is an integer number (23953356).

Almost surely, 2^432135444 is an apocalyptic number.

It is an amenable number.

432135444 is an abundant number, since it is smaller than the sum of its proper divisors (717625644).

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

432135444 is a wasteful number, since it uses less digits than its factorization.

432135444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162984 (or 162982 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 432135444 is about 20787.8677117207. The cubic root of 432135444 is about 756.0316257311.

Adding to 432135444 its reverse (444531234), we get a palindrome (876666678).

The spelling of 432135444 in words is "four hundred thirty-two million, one hundred thirty-five thousand, four hundred forty-four".