432431042 has 16 divisors (see below), whose sum is σ = 651913272. Its totient is φ = 215130240.

The previous prime is 432431039. The next prime is 432431101. The reversal of 432431042 is 240134234.

It can be written as a sum of positive squares in 4 ways, for example, as 328370641 + 104060401 = 18121^2 + 10201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 432430999 and 432431017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638408 + ... + 639084.

Almost surely, 2^432431042 is an apocalyptic number.

432431042 is a deficient number, since it is larger than the sum of its proper divisors (219482230).

432431042 is a wasteful number, since it uses less digits than its factorization.

432431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 432431042 is about 20794.9763644973. The cubic root of 432431042 is about 756.2039717723.

Adding to 432431042 its reverse (240134234), we get a palindrome (672565276).

The spelling of 432431042 in words is "four hundred thirty-two million, four hundred thirty-one thousand, forty-two".