432420555 has 32 divisors (see below), whose sum is σ = 791529984. Its totient is φ = 197473536.

The previous prime is 432420497. The next prime is 432420559. The reversal of 432420555 is 555024234.

It is not a de Polignac number, because 432420555 - 2⁸ = 432420299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432420559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154327 + ... + 157103.

It is an arithmetic number, because the mean of its divisors is an integer number (24735312).

Almost surely, 2^432420555 is an apocalyptic number.

432420555 is a deficient number, since it is larger than the sum of its proper divisors (359109429).

432420555 is a wasteful number, since it uses less digits than its factorization.

432420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 432420555 is about 20794.7242107223. The cubic root of 432420555 is about 756.1978587551.

Adding to 432420555 its reverse (555024234), we get a palindrome (987444789).

The spelling of 432420555 in words is "four hundred thirty-two million, four hundred twenty thousand, five hundred fifty-five".