1324043420400 has 120 divisors (see below), whose sum is σ = 4712613842160. Its totient is φ = 353078242560.

The previous prime is 1324043420389. The next prime is 1324043420429. The reversal of 1324043420400 is 40243404231.

It is a happy number.

1324043420400 is a `hidden beast` number, since 1 + 3 + 24 + 0 + 434 + 204 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1324043420400² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 61287507 + ... + 61309106.

It is an arithmetic number, because the mean of its divisors is an integer number (39271782018).

Almost surely, 2^{1324043420400} is an apocalyptic number.

1324043420400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324043420400 is an abundant number, since it is smaller than the sum of its proper divisors (3388570421760).

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

1324043420400 is a wasteful number, since it uses less digits than its factorization.

1324043420400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122596640 (or 122596623 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1324043420400 its reverse (40243404231), we get a palindrome (1364286824631).

The spelling of 1324043420400 in words is "one trillion, three hundred twenty-four billion, forty-three million, four hundred twenty thousand, four hundred".