1320011040044 has 12 divisors (see below), whose sum is σ = 2313611889624. Its totient is φ = 658979071584.

The previous prime is 1320011039947. The next prime is 1320011040107. The reversal of 1320011040044 is 4400401100231.

It is a junction number, because it is equal to n+sod(n) for n = 1320011039998 and 1320011040025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256609217 + ... + 256614360.

It is an arithmetic number, because the mean of its divisors is an integer number (192800990802).

Almost surely, 2^{1320011040044} is an apocalyptic number.

It is an amenable number.

1320011040044 is a deficient number, since it is larger than the sum of its proper divisors (993600849580).

1320011040044 is a wasteful number, since it uses less digits than its factorization.

1320011040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513224224 (or 513224222 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1320011040044 its reverse (4400401100231), we get a palindrome (5720412140275).

The spelling of 1320011040044 in words is "one trillion, three hundred twenty billion, eleven million, forty thousand, forty-four".