1323004441040 has 40 divisors (see below), whose sum is σ = 3086004878880. Its totient is φ = 527477982336.

The previous prime is 1323004441021. The next prime is 1323004441049. The reversal of 1323004441040 is 401444003231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323004441049) 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, 26909570 + ... + 26958689.

It is an arithmetic number, because the mean of its divisors is an integer number (77150121972).

Almost surely, 2^{1323004441040} is an apocalyptic number.

1323004441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323004441040 is an abundant number, since it is smaller than the sum of its proper divisors (1763000437840).

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

1323004441040 is a wasteful number, since it uses less digits than its factorization.

1323004441040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53868579 (or 53868573 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1323004441040 its reverse (401444003231), we get a palindrome (1724448444271).

The spelling of 1323004441040 in words is "one trillion, three hundred twenty-three billion, four million, four hundred forty-one thousand, forty".