432401200402 has 4 divisors (see below), whose sum is σ = 648601800606. Its totient is φ = 216200600200.

The previous prime is 432401200397. The next prime is 432401200477. The reversal of 432401200402 is 204002104234.

It is a happy number.

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., 257993900761 + 174407299641 = 507931^2 + 417621^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108100300099 + ... + 108100300102.

Almost surely, 2^432401200402 is an apocalyptic number.

432401200402 is a deficient number, since it is larger than the sum of its proper divisors (216200600204).

432401200402 is a wasteful number, since it uses less digits than its factorization.

432401200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216200600203.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 432401200402 its reverse (204002104234), we get a palindrome (636403304636).

The spelling of 432401200402 in words is "four hundred thirty-two billion, four hundred one million, two hundred thousand, four hundred two".