1320888412444 has 24 divisors (see below), whose sum is σ = 2333294132400. Its totient is φ = 654235712640.

The previous prime is 1320888412429. The next prime is 1320888412507. The reversal of 1320888412444 is 4442148880231.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1578759 + ... + 2265889.

It is an arithmetic number, because the mean of its divisors is an integer number (97220588850).

Almost surely, 2^{1320888412444} is an apocalyptic number.

It is an amenable number.

1320888412444 is a deficient number, since it is larger than the sum of its proper divisors (1012405719956).

1320888412444 is a wasteful number, since it uses less digits than its factorization.

1320888412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691653 (or 691651 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 49.

The spelling of 1320888412444 in words is "one trillion, three hundred twenty billion, eight hundred eighty-eight million, four hundred twelve thousand, four hundred forty-four".