1340444043747 has 12 divisors (see below), whose sum is σ = 2038102055080. Its totient is φ = 846596238048.

The previous prime is 1340444043737. The next prime is 1340444043751. The reversal of 1340444043747 is 7473404440431.

1340444043747 is a `hidden beast` number, since 134 + 0 + 4 + 4 + 40 + 437 + 47 = 666.

It is not a de Polignac number, because 1340444043747 - 2¹⁰ = 1340444042723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340444043737) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3919426858 + ... + 3919427199.

Almost surely, 2^{1340444043747} is an apocalyptic number.

1340444043747 is a deficient number, since it is larger than the sum of its proper divisors (697658011333).

1340444043747 is a wasteful number, since it uses less digits than its factorization.

1340444043747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838854082 (or 7838854079 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 45.

The spelling of 1340444043747 in words is "one trillion, three hundred forty billion, four hundred forty-four million, forty-three thousand, seven hundred forty-seven".