1324402503640 has 64 divisors (see below), whose sum is σ = 2994187795200. Its totient is φ = 527223416832.

The previous prime is 1324402503629. The next prime is 1324402503653. The reversal of 1324402503640 is 463052044231.

It is a junction number, because it is equal to n+sod(n) for n = 1324402503596 and 1324402503605.

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, 31457644 + ... + 31499716.

It is an arithmetic number, because the mean of its divisors is an integer number (46784184300).

Almost surely, 2^{1324402503640} is an apocalyptic number.

1324402503640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324402503640 is an abundant number, since it is smaller than the sum of its proper divisors (1669785291560).

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

1324402503640 is a wasteful number, since it uses less digits than its factorization.

1324402503640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45836 (or 45832 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1324402503640 its reverse (463052044231), we get a palindrome (1787454547871).

The spelling of 1324402503640 in words is "one trillion, three hundred twenty-four billion, four hundred two million, five hundred three thousand, six hundred forty".