432161872 has 20 divisors (see below), whose sum is σ = 845142336. Its totient is φ = 214060640.

The previous prime is 432161867. The next prime is 432161929. The reversal of 432161872 is 278161234.

It is a super-2 number, since 2×432161872² = 373527767221088768, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124504 + ... + 127927.

Almost surely, 2^432161872 is an apocalyptic number.

It is an amenable number.

432161872 is a deficient number, since it is larger than the sum of its proper divisors (412980464).

432161872 is a wasteful number, since it uses less digits than its factorization.

432161872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252546 (or 252540 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 432161872 is about 20788.5033612331. The cubic root of 432161872 is about 756.0470375630.

The spelling of 432161872 in words is "four hundred thirty-two million, one hundred sixty-one thousand, eight hundred seventy-two".