404812132 has 12 divisors (see below), whose sum is σ = 708697836. Its totient is φ = 202327040.

The previous prime is 404812117. The next prime is 404812159. The reversal of 404812132 is 231218404.

It can be written as a sum of positive squares in 2 ways, for example, as 161951076 + 242861056 = 12726^2 + 15584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404812097 and 404812106.

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, 7369 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (59058153).

Almost surely, 2^404812132 is an apocalyptic number.

It is an amenable number.

404812132 is a deficient number, since it is larger than the sum of its proper divisors (303885704).

404812132 is a wasteful number, since it uses less digits than its factorization.

404812132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39518 (or 39516 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 404812132 is about 20119.9436380920. The cubic root of 404812132 is about 739.7492040302.

The spelling of 404812132 in words is "four hundred four million, eight hundred twelve thousand, one hundred thirty-two".