404331212042 has 8 divisors (see below), whose sum is σ = 606659298276. Its totient is φ = 202111445952.

The previous prime is 404331212017. The next prime is 404331212057. The reversal of 404331212042 is 240212133404.

It can be written as a sum of positive squares in 2 ways, for example, as 390723756241 + 13607455801 = 625079^2 + 116651^2 .

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, 27070703 + ... + 27085634.

Almost surely, 2^404331212042 is an apocalyptic number.

404331212042 is a deficient number, since it is larger than the sum of its proper divisors (202328086234).

404331212042 is a wasteful number, since it uses less digits than its factorization.

404331212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54160072.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 404331212042 its reverse (240212133404), we get a palindrome (644543345446).

The spelling of 404331212042 in words is "four hundred four billion, three hundred thirty-one million, two hundred twelve thousand, forty-two".