441404402 has 4 divisors (see below), whose sum is σ = 662106606. Its totient is φ = 220702200.

The previous prime is 441404399. The next prime is 441404419. The reversal of 441404402 is 204404144.

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., 430521001 + 10883401 = 20749^2 + 3299^2 .

It is a super-2 number, since 2×441404402² = 389675692209955208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 110351099 + ... + 110351102.

Almost surely, 2^441404402 is an apocalyptic number.

441404402 is a deficient number, since it is larger than the sum of its proper divisors (220702204).

441404402 is a wasteful number, since it uses less digits than its factorization.

441404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220702203.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 441404402 is about 21009.6264126709. The cubic root of 441404402 is about 761.3988560496.

Adding to 441404402 its reverse (204404144), we get a palindrome (645808546).

The spelling of 441404402 in words is "four hundred forty-one million, four hundred four thousand, four hundred two".