404402035 has 12 divisors (see below), whose sum is σ = 515509488. Its totient is φ = 304489856.

The previous prime is 404402003. The next prime is 404402039. The reversal of 404402035 is 530204404.

It is a happy number.

It is not a de Polignac number, because 404402035 - 2⁵ = 404402003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404401997 and 404402015.

It is not an unprimeable number, because it can be changed into a prime (404402039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138487 + ... + 141376.

It is an arithmetic number, because the mean of its divisors is an integer number (42959124).

Almost surely, 2^404402035 is an apocalyptic number.

404402035 is a deficient number, since it is larger than the sum of its proper divisors (111107453).

404402035 is a wasteful number, since it uses less digits than its factorization.

404402035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279902 (or 279885 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 404402035 is about 20109.7497498104. The cubic root of 404402035 is about 739.4993173905.

Adding to 404402035 its reverse (530204404), we get a palindrome (934606439).

The spelling of 404402035 in words is "four hundred four million, four hundred two thousand, thirty-five".