1324103440 has 40 divisors (see below), whose sum is σ = 3358410048. Its totient is φ = 481491840.

The previous prime is 1324103413. The next prime is 1324103441. The reversal of 1324103440 is 443014231.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is not an unprimeable number, because it can be changed into a prime (1324103441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751452 + ... + 753211.

Almost surely, 2^1324103440 is an apocalyptic number.

1324103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324103440 is an abundant number, since it is smaller than the sum of its proper divisors (2034306608).

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

1324103440 is a wasteful number, since it uses less digits than its factorization.

1324103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504687 (or 1504681 counting only the distinct ones).

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

The square root of 1324103440 is about 36388.2321637092. The cubic root of 1324103440 is about 1098.0968303341.

Adding to 1324103440 its reverse (443014231), we get a palindrome (1767117671).

The spelling of 1324103440 in words is "one billion, three hundred twenty-four million, one hundred three thousand, four hundred forty".