324212140 has 96 divisors (see below), whose sum is σ = 820399104. Its totient is φ = 105219840.

The previous prime is 324212123. The next prime is 324212153. The reversal of 324212140 is 41212423.

It is a super-2 number, since 2×324212140² = 210227023446759200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344070 + ... + 345010.

It is an arithmetic number, because the mean of its divisors is an integer number (8545824).

Almost surely, 2^324212140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410199552).

324212140 is an abundant number, since it is smaller than the sum of its proper divisors (496186964).

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

324212140 is a wasteful number, since it uses less digits than its factorization.

324212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 324212140 is about 18005.8918135148. The cubic root of 324212140 is about 686.9784138645.

Adding to 324212140 its reverse (41212423), we get a palindrome (365424563).

The spelling of 324212140 in words is "three hundred twenty-four million, two hundred twelve thousand, one hundred forty".