404004431035 has 16 divisors (see below), whose sum is σ = 506036983104. Its totient is φ = 309057610752.

The previous prime is 404004431029. The next prime is 404004431041. The reversal of 404004431035 is 530134400404.

It is an interprime number because it is at equal distance from previous prime (404004431029) and next prime (404004431041).

It is a de Polignac number, because none of the positive numbers 2^k-404004431035 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404004430994 and 404004431012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149202 + ... + 911191.

It is an arithmetic number, because the mean of its divisors is an integer number (31627311444).

Almost surely, 2^404004431035 is an apocalyptic number.

404004431035 is a deficient number, since it is larger than the sum of its proper divisors (102032552069).

404004431035 is a wasteful number, since it uses less digits than its factorization.

404004431035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063734.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 404004431035 its reverse (530134400404), we get a palindrome (934138831439).

The spelling of 404004431035 in words is "four hundred four billion, four million, four hundred thirty-one thousand, thirty-five".