404535132 has 72 divisors (see below), whose sum is σ = 1075716096. Its totient is φ = 127933344.

The previous prime is 404535127. The next prime is 404535133. The reversal of 404535132 is 231535404.

It is a junction number, because it is equal to n+sod(n) for n = 404535096 and 404535105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404535133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103233 + ... + 107079.

Almost surely, 2^404535132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404535132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537858048).

404535132 is an abundant number, since it is smaller than the sum of its proper divisors (671180964).

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

404535132 is a wasteful number, since it uses less digits than its factorization.

404535132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 404535132 is about 20113.0587430157. The cubic root of 404535132 is about 739.5804366202.

The spelling of 404535132 in words is "four hundred four million, five hundred thirty-five thousand, one hundred thirty-two".