1340480813777 has 16 divisors (see below), whose sum is σ = 1534778496000. Its totient is φ = 1146884510160.

The previous prime is 1340480813723. The next prime is 1340480813779. The reversal of 1340480813777 is 7773180840431.

It is a cyclic number.

It is not a de Polignac number, because 1340480813777 - 2¹⁸ = 1340480551633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340480813779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13003724 + ... + 13106402.

It is an arithmetic number, because the mean of its divisors is an integer number (95923656000).

Almost surely, 2^{1340480813777} is an apocalyptic number.

It is an amenable number.

1340480813777 is a deficient number, since it is larger than the sum of its proper divisors (194297682223).

1340480813777 is a wasteful number, since it uses less digits than its factorization.

1340480813777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106076.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 1340480813777 in words is "one trillion, three hundred forty billion, four hundred eighty million, eight hundred thirteen thousand, seven hundred seventy-seven".