1324255144400 has 60 divisors (see below), whose sum is σ = 3192765388032. Its totient is φ = 527830273920.

The previous prime is 1324255144367. The next prime is 1324255144403. The reversal of 1324255144400 is 44415524231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324255144403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5735984 + ... + 5962383.

Almost surely, 2^{1324255144400} is an apocalyptic number.

1324255144400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324255144400 is an abundant number, since it is smaller than the sum of its proper divisors (1868510243632).

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

1324255144400 is a wasteful number, since it uses less digits than its factorization.

1324255144400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698668 (or 11698657 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1324255144400 in words is "one trillion, three hundred twenty-four billion, two hundred fifty-five million, one hundred forty-four thousand, four hundred".