432201555 has 32 divisors (see below), whose sum is σ = 769459200. Its totient is φ = 230177376.

The previous prime is 432201521. The next prime is 432201559. The reversal of 432201555 is 555102234.

It is a happy number.

It is not a de Polignac number, because 432201555 - 2¹⁵ = 432168787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (432201559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114102 + ... + 117828.

It is an arithmetic number, because the mean of its divisors is an integer number (24045600).

Almost surely, 2^432201555 is an apocalyptic number.

432201555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

432201555 is a deficient number, since it is larger than the sum of its proper divisors (337257645).

432201555 is a wasteful number, since it uses less digits than its factorization.

432201555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600 (or 4594 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 432201555 is about 20789.4577851372. The cubic root of 432201555 is about 756.0701780406.

Adding to 432201555 its reverse (555102234), we get a palindrome (987303789).

The spelling of 432201555 in words is "four hundred thirty-two million, two hundred one thousand, five hundred fifty-five".