432816138 has 24 divisors (see below), whose sum is σ = 957722688. Its totient is φ = 141202152.

The previous prime is 432816119. The next prime is 432816169. The reversal of 432816138 is 831618234.

432816138 is a `hidden beast` number, since 4 + 32 + 8 + 1 + 613 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254956 + ... + 256647.

It is an arithmetic number, because the mean of its divisors is an integer number (39905112).

Almost surely, 2^432816138 is an apocalyptic number.

432816138 is an abundant number, since it is smaller than the sum of its proper divisors (524906550).

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

432816138 is a wasteful number, since it uses less digits than its factorization.

432816138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511658 (or 511655 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 432816138 is about 20804.2336556769. The cubic root of 432816138 is about 756.4283811342.

The spelling of 432816138 in words is "four hundred thirty-two million, eight hundred sixteen thousand, one hundred thirty-eight".