432557842 has 4 divisors (see below), whose sum is σ = 648836766. Its totient is φ = 216278920.

The previous prime is 432557821. The next prime is 432557869. The reversal of 432557842 is 248755234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 317231721 + 115326121 = 17811^2 + 10739^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 432557795 and 432557804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108139459 + ... + 108139462.

Almost surely, 2^432557842 is an apocalyptic number.

432557842 is a deficient number, since it is larger than the sum of its proper divisors (216278924).

432557842 is a wasteful number, since it uses less digits than its factorization.

432557842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216278923.

The product of its digits is 268800, while the sum is 40.

The square root of 432557842 is about 20798.0249543076. The cubic root of 432557842 is about 756.2778774233.

It can be divided in two parts, 43255784 and 2, that multiplied together give a palindrome (86511568).

The spelling of 432557842 in words is "four hundred thirty-two million, five hundred fifty-seven thousand, eight hundred forty-two".