404341632 has 160 divisors (see below), whose sum is σ = 1225560600. Its totient is φ = 132295680.

The previous prime is 404341601. The next prime is 404341643. The reversal of 404341632 is 236143404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 404341596 and 404341605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 611382 + ... + 612042.

Almost surely, 2^404341632 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 404341632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612780300).

404341632 is an abundant number, since it is smaller than the sum of its proper divisors (821218968).

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

404341632 is an equidigital number, since it uses as much as digits as its factorization.

404341632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 404341632 is about 20108.2478600200. The cubic root of 404341632 is about 739.4624974296.

The spelling of 404341632 in words is "four hundred four million, three hundred forty-one thousand, six hundred thirty-two".