1324242140 has 48 divisors (see below), whose sum is σ = 3004458912. Its totient is φ = 487378176.

The previous prime is 1324242041. The next prime is 1324242169. The reversal of 1324242140 is 412424231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74387 + ... + 90453.

It is an arithmetic number, because the mean of its divisors is an integer number (62592894).

Almost surely, 2^1324242140 is an apocalyptic number.

1324242140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324242140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502229456).

1324242140 is an abundant number, since it is smaller than the sum of its proper divisors (1680216772).

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

1324242140 is a wasteful number, since it uses less digits than its factorization.

1324242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16406 (or 16404 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1324242140 is about 36390.1379497248. The cubic root of 1324242140 is about 1098.1351709219.

Adding to 1324242140 its reverse (412424231), we get a palindrome (1736666371).

The spelling of 1324242140 in words is "one billion, three hundred twenty-four million, two hundred forty-two thousand, one hundred forty".