404234243002 has 4 divisors (see below), whose sum is σ = 606351364506. Its totient is φ = 202117121500.

The previous prime is 404234242991. The next prime is 404234243027. The reversal of 404234243002 is 200342432404.

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., 392804281081 + 11429961921 = 626741^2 + 106911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101058560749 + ... + 101058560752.

Almost surely, 2^404234243002 is an apocalyptic number.

404234243002 is a deficient number, since it is larger than the sum of its proper divisors (202117121504).

404234243002 is a wasteful number, since it uses less digits than its factorization.

404234243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202117121503.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 404234243002 its reverse (200342432404), we get a palindrome (604576675406).

The spelling of 404234243002 in words is "four hundred four billion, two hundred thirty-four million, two hundred forty-three thousand, two".