404561232 has 30 divisors (see below), whose sum is σ = 1132209962. Its totient is φ = 134853696.

The previous prime is 404561231. The next prime is 404561249. The reversal of 404561232 is 232165404.

404561232 is a `hidden beast` number, since 4 + 0 + 45 + 612 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 369562176 + 34999056 = 19224^2 + 5916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404561196 and 404561205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404561231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1404583 + ... + 1404870.

Almost surely, 2^404561232 is an apocalyptic number.

It is an amenable number.

404561232 is an abundant number, since it is smaller than the sum of its proper divisors (727648730).

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

404561232 is a wasteful number, since it uses less digits than its factorization.

404561232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809467 (or 2809458 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 404561232 is about 20113.7075647430. The cubic root of 404561232 is about 739.5963418183.

The spelling of 404561232 in words is "four hundred four million, five hundred sixty-one thousand, two hundred thirty-two".