42404204333 has 4 divisors (see below), whose sum is σ = 42420311868. Its totient is φ = 42388096800.

The previous prime is 42404204321. The next prime is 42404204377. The reversal of 42404204333 is 33340240424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24990234889 + 17413969444 = 158083^2 + 131962^2 .

It is a cyclic number.

It is not a de Polignac number, because 42404204333 - 2⁸ = 42404204077 is a prime.

It is a super-2 number, since 2×42404204333² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42404204296 and 42404204305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404204383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8049818 + ... + 8055083.

It is an arithmetic number, because the mean of its divisors is an integer number (10605077967).

Almost surely, 2^42404204333 is an apocalyptic number.

It is an amenable number.

42404204333 is a deficient number, since it is larger than the sum of its proper divisors (16107535).

42404204333 is a wasteful number, since it uses less digits than its factorization.

42404204333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16107534.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42404204333 its reverse (33340240424), we get a palindrome (75744444757).

The spelling of 42404204333 in words is "forty-two billion, four hundred four million, two hundred four thousand, three hundred thirty-three".