404335042 has 8 divisors (see below), whose sum is σ = 610573500. Its totient is φ = 200810544.

The previous prime is 404335033. The next prime is 404335051. The reversal of 404335042 is 240533404.

It is an interprime number because it is at equal distance from previous prime (404335033) and next prime (404335051).

It can be written as a sum of positive squares in 2 ways, for example, as 401240961 + 3094081 = 20031^2 + 1759^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 404334998 and 404335016.

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, 678117 + ... + 678712.

Almost surely, 2^404335042 is an apocalyptic number.

404335042 is a deficient number, since it is larger than the sum of its proper divisors (206238458).

404335042 is a wasteful number, since it uses less digits than its factorization.

404335042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356980.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 404335042 is about 20108.0839962439. The cubic root of 404335042 is about 739.4584801300.

Adding to 404335042 its reverse (240533404), we get a palindrome (644868446).

The spelling of 404335042 in words is "four hundred four million, three hundred thirty-five thousand, forty-two".