409450452 has 12 divisors (see below), whose sum is σ = 955384416. Its totient is φ = 136483480.

The previous prime is 409450427. The next prime is 409450487. The reversal of 409450452 is 254054904.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17060424 + ... + 17060447.

It is an arithmetic number, because the mean of its divisors is an integer number (79615368).

Almost surely, 2^409450452 is an apocalyptic number.

It is an amenable number.

409450452 is an abundant number, since it is smaller than the sum of its proper divisors (545933964).

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

409450452 is a wasteful number, since it uses less digits than its factorization.

409450452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34120878 (or 34120876 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 409450452 is about 20234.8820604421. The cubic root of 409450452 is about 742.5638195209.

The spelling of 409450452 in words is "four hundred nine million, four hundred fifty thousand, four hundred fifty-two".