1324143040 has 112 divisors (see below), whose sum is σ = 3471245280. Its totient is φ = 477102080.

The previous prime is 1324143031. The next prime is 1324143047. The reversal of 1324143040 is 403414231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324143047) 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, 396096 + ... + 399424.

Almost surely, 2^1324143040 is an apocalyptic number.

1324143040 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 1324143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735622640).

1324143040 is an abundant number, since it is smaller than the sum of its proper divisors (2147102240).

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

1324143040 is a wasteful number, since it uses less digits than its factorization.

1324143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1324143040 is about 36388.7762915985. The cubic root of 1324143040 is about 1098.1077771628.

Adding to 1324143040 its reverse (403414231), we get a palindrome (1727557271).

The spelling of 1324143040 in words is "one billion, three hundred twenty-four million, one hundred forty-three thousand, forty".