409163832 has 256 divisors, whose sum is σ = 1440691200. Its totient is φ = 104509440.

The previous prime is 409163801. The next prime is 409163893. The reversal of 409163832 is 238361904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1213968 + ... + 1214304.

It is an arithmetic number, because the mean of its divisors is an integer number (5627700).

Almost surely, 2^409163832 is an apocalyptic number.

409163832 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409163832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720345600).

409163832 is an abundant number, since it is smaller than the sum of its proper divisors (1031527368).

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

409163832 is a wasteful number, since it uses less digits than its factorization.

409163832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 409163832 is about 20227.7984961290. The cubic root of 409163832 is about 742.3905113529.

The spelling of 409163832 in words is "four hundred nine million, one hundred sixty-three thousand, eight hundred thirty-two".