404444032 has 32 divisors (see below), whose sum is σ = 848140200. Its totient is φ = 191577600.

The previous prime is 404444021. The next prime is 404444041. The reversal of 404444032 is 230444404.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 404443988 and 404444006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80719 + ... + 85582.

Almost surely, 2^404444032 is an apocalyptic number.

It is an amenable number.

404444032 is an abundant number, since it is smaller than the sum of its proper divisors (443696168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404444032 is a wasteful number, since it uses less digits than its factorization.

404444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166334 (or 166322 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404444032 is about 20110.7939176950. The cubic root of 404444032 is about 739.5249154135.

Adding to 404444032 its reverse (230444404), we get a palindrome (634888436).

The spelling of 404444032 in words is "four hundred four million, four hundred forty-four thousand, thirty-two".