1324111644 has 24 divisors (see below), whose sum is σ = 3432882320. Its totient is φ = 441370512.

The previous prime is 1324111643. The next prime is 1324111661. The reversal of 1324111644 is 4461114231.

1324111644 is a `hidden beast` number, since 1 + 3 + 2 + 4 + 1 + 11 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324111643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6130039 + ... + 6130254.

Almost surely, 2^1324111644 is an apocalyptic number.

It is an amenable number.

1324111644 is an abundant number, since it is smaller than the sum of its proper divisors (2108770676).

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

1324111644 is a wasteful number, since it uses less digits than its factorization.

1324111644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260306 (or 12260298 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1324111644 is about 36388.3448922866. The cubic root of 1324111644 is about 1098.0990982253.

Adding to 1324111644 its reverse (4461114231), we get a palindrome (5785225875).

The spelling of 1324111644 in words is "one billion, three hundred twenty-four million, one hundred eleven thousand, six hundred forty-four".