404435012 has 24 divisors (see below), whose sum is σ = 727894104. Its totient is φ = 196480512.

The previous prime is 404435011. The next prime is 404435027. The reversal of 404435012 is 210534404.

It can be written as a sum of positive squares in 4 ways, for example, as 289816576 + 114618436 = 17024^2 + 10706^2 .

It is not an unprimeable number, because it can be changed into a prime (404435011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143198 + ... + 145994.

It is an arithmetic number, because the mean of its divisors is an integer number (30328921).

Almost surely, 2^404435012 is an apocalyptic number.

It is an amenable number.

404435012 is a deficient number, since it is larger than the sum of its proper divisors (323459092).

404435012 is a wasteful number, since it uses less digits than its factorization.

404435012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404435012 is about 20110.5696587640. The cubic root of 404435012 is about 739.5194176901.

Adding to 404435012 its reverse (210534404), we get a palindrome (614969416).

The spelling of 404435012 in words is "four hundred four million, four hundred thirty-five thousand, twelve".