405324412 has 12 divisors (see below), whose sum is σ = 711352600. Its totient is φ = 202080816.

The previous prime is 405324389. The next prime is 405324419. The reversal of 405324412 is 214423504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405324419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143778 + ... + 146569.

Almost surely, 2^405324412 is an apocalyptic number.

It is an amenable number.

405324412 is a deficient number, since it is larger than the sum of its proper divisors (306028188).

405324412 is a wasteful number, since it uses less digits than its factorization.

405324412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290700 (or 290698 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 405324412 is about 20132.6702650195. The cubic root of 405324412 is about 740.0611174259.

Adding to 405324412 its reverse (214423504), we get a palindrome (619747916).

It can be divided in two parts, 40532 and 4412, that added together give a palindrome (44944).

The spelling of 405324412 in words is "four hundred five million, three hundred twenty-four thousand, four hundred twelve".