409996422 has 48 divisors (see below), whose sum is σ = 972663120. Its totient is φ = 123782400.

The previous prime is 409996417. The next prime is 409996453. The reversal of 409996422 is 224699904.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51954 + ... + 59322.

It is an arithmetic number, because the mean of its divisors is an integer number (20263815).

Almost surely, 2^409996422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409996422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486331560).

409996422 is an abundant number, since it is smaller than the sum of its proper divisors (562666698).

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

409996422 is a wasteful number, since it uses less digits than its factorization.

409996422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 409996422 is about 20248.3683787114. The cubic root of 409996422 is about 742.8937230965.

The spelling of 409996422 in words is "four hundred nine million, nine hundred ninety-six thousand, four hundred twenty-two".