1340474044738 has 32 divisors (see below), whose sum is σ = 2180769816960. Its totient is φ = 616055784960.

The previous prime is 1340474044703. The next prime is 1340474044739. The reversal of 1340474044738 is 8374404740431.

It is a junction number, because it is equal to n+sod(n) for n = 1340474044691 and 1340474044700.

It is not an unprimeable number, because it can be changed into a prime (1340474044739) 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, 2099695 + ... + 2662642.

It is an arithmetic number, because the mean of its divisors is an integer number (68149056780).

Almost surely, 2^{1340474044738} is an apocalyptic number.

1340474044738 is a deficient number, since it is larger than the sum of its proper divisors (840295772222).

1340474044738 is a wasteful number, since it uses less digits than its factorization.

1340474044738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762602.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 1340474044738 in words is "one trillion, three hundred forty billion, four hundred seventy-four million, forty-four thousand, seven hundred thirty-eight".