1324012440 has 64 divisors (see below), whose sum is σ = 4079403360. Its totient is φ = 343526400.

The previous prime is 1324012421. The next prime is 1324012453. The reversal of 1324012440 is 442104231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144661 + ... + 153540.

Almost surely, 2^1324012440 is an apocalyptic number.

1324012440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324012440 is an abundant number, since it is smaller than the sum of its proper divisors (2755390920).

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

1324012440 is a wasteful number, since it uses less digits than its factorization.

1324012440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298252 (or 298248 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1324012440 is about 36386.9817379788. The cubic root of 1324012440 is about 1098.0716739156.

Adding to 1324012440 its reverse (442104231), we get a palindrome (1766116671).

The spelling of 1324012440 in words is "one billion, three hundred twenty-four million, twelve thousand, four hundred forty".