409057212 has 24 divisors (see below), whose sum is σ = 954809296. Its totient is φ = 136303488.

The previous prime is 409057211. The next prime is 409057219. The reversal of 409057212 is 212750904.

It is a super-3 number, since 3×409057212³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 409057212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409057211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47598 + ... + 55530.

Almost surely, 2^409057212 is an apocalyptic number.

It is an amenable number.

409057212 is an abundant number, since it is smaller than the sum of its proper divisors (545752084).

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

409057212 is a wasteful number, since it uses less digits than its factorization.

409057212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237 (or 12235 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 409057212 is about 20225.1628423605. The cubic root of 409057212 is about 742.3260216575.

The spelling of 409057212 in words is "four hundred nine million, fifty-seven thousand, two hundred twelve".