416521212 has 24 divisors (see below), whose sum is σ = 972725712. Its totient is φ = 138720000.

The previous prime is 416521169. The next prime is 416521241. The reversal of 416521212 is 212125614.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39 + ... + 28862.

It is an arithmetic number, because the mean of its divisors is an integer number (40530238).

Almost surely, 2^416521212 is an apocalyptic number.

It is an amenable number.

416521212 is an abundant number, since it is smaller than the sum of its proper divisors (556204500).

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

416521212 is a wasteful number, since it uses less digits than its factorization.

416521212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30109 (or 30107 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 416521212 is about 20408.8513150545. The cubic root of 416521212 is about 746.8138688130.

Adding to 416521212 its reverse (212125614), we get a palindrome (628646826).

The spelling of 416521212 in words is "four hundred sixteen million, five hundred twenty-one thousand, two hundred twelve".