1340746733780 has 48 divisors (see below), whose sum is σ = 2818128737424. Its totient is φ = 535811189760.

The previous prime is 1340746733779. The next prime is 1340746733801. The reversal of 1340746733780 is 873376470431.

It can be written as a sum of positive squares in 8 ways, for example, as 210701196484 + 1130045537296 = 459022^2 + 1063036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199127294 + ... + 199134026.

It is an arithmetic number, because the mean of its divisors is an integer number (58711015363).

Almost surely, 2^{1340746733780} is an apocalyptic number.

1340746733780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340746733780 is an abundant number, since it is smaller than the sum of its proper divisors (1477382003644).

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

1340746733780 is a wasteful number, since it uses less digits than its factorization.

1340746733780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316 (or 14314 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 1340746733780 in words is "one trillion, three hundred forty billion, seven hundred forty-six million, seven hundred thirty-three thousand, seven hundred eighty".