1320374064040 has 32 divisors (see below), whose sum is σ = 2973164544000. Its totient is φ = 527736665664.

The previous prime is 1320374064011. The next prime is 1320374064083. The reversal of 1320374064040 is 404604730231.

It is a super-2 number, since 2×1320374064040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320374063987 and 1320374064005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12853200 + ... + 12955519.

It is an arithmetic number, because the mean of its divisors is an integer number (92911392000).

Almost surely, 2^{1320374064040} is an apocalyptic number.

1320374064040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320374064040 is an abundant number, since it is smaller than the sum of its proper divisors (1652790479960).

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

1320374064040 is a wasteful number, since it uses less digits than its factorization.

1320374064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25810009 (or 25810005 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 1320374064040 its reverse (404604730231), we get a palindrome (1724978794271).

The spelling of 1320374064040 in words is "one trillion, three hundred twenty billion, three hundred seventy-four million, sixty-four thousand, forty".