401132404 has 12 divisors (see below), whose sum is σ = 716917824. Its totient is φ = 196298744.

The previous prime is 401132399. The next prime is 401132411. The reversal of 401132404 is 404231104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066654 + ... + 1067029.

It is an arithmetic number, because the mean of its divisors is an integer number (59743152).

Almost surely, 2^401132404 is an apocalyptic number.

It is an amenable number.

401132404 is a deficient number, since it is larger than the sum of its proper divisors (315785420).

401132404 is a wasteful number, since it uses less digits than its factorization.

401132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133734 (or 2133732 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401132404 is about 20028.2900917677. The cubic root of 401132404 is about 737.5009466233.

Adding to 401132404 its reverse (404231104), we get a palindrome (805363508).

The spelling of 401132404 in words is "four hundred one million, one hundred thirty-two thousand, four hundred four".