404044000040402 has 8 divisors (see below), whose sum is σ = 606072575361276. Its totient is φ = 202019808253312.

The previous prime is 404044000040393. The next prime is 404044000040431. The reversal of 404044000040402 is 204040000440404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 353680267219321 + 50363732821081 = 18806389^2 + 7096741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095653003 + ... + 1096021710.

Almost surely, 2^{404044000040402} is an apocalyptic number.

404044000040402 is a deficient number, since it is larger than the sum of its proper divisors (202028575320874).

404044000040402 is a wasteful number, since it uses less digits than its factorization.

404044000040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191766892.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 404044000040402 its reverse (204040000440404), we get a palindrome (608084000480806).

The spelling of 404044000040402 in words is "four hundred four trillion, forty-four billion, forty thousand, four hundred two".