438522412 has 48 divisors (see below), whose sum is σ = 838071360. Its totient is φ = 199987200.

The previous prime is 438522407. The next prime is 438522419. The reversal of 438522412 is 214225834.

It is not an unprimeable number, because it can be changed into a prime (438522419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293764 + ... + 295252.

It is an arithmetic number, because the mean of its divisors is an integer number (17459820).

Almost surely, 2^438522412 is an apocalyptic number.

It is an amenable number.

438522412 is a deficient number, since it is larger than the sum of its proper divisors (399548948).

438522412 is a wasteful number, since it uses less digits than its factorization.

438522412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 438522412 is about 20940.9267225689. The cubic root of 438522412 is about 759.7381438605.

It can be divided in two parts, 43852 and 2412, that added together give a palindrome (46264).

The spelling of 438522412 in words is "four hundred thirty-eight million, five hundred twenty-two thousand, four hundred twelve".