1340481480738 has 32 divisors (see below), whose sum is σ = 2729510977536. Its totient is φ = 438800297808.

The previous prime is 1340481480731. The next prime is 1340481480749. The reversal of 1340481480738 is 8370841840431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1340481480731) 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, 7975906 + ... + 8142237.

It is an arithmetic number, because the mean of its divisors is an integer number (85297218048).

Almost surely, 2^{1340481480738} is an apocalyptic number.

1340481480738 is an abundant number, since it is smaller than the sum of its proper divisors (1389029496798).

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

1340481480738 is a wasteful number, since it uses less digits than its factorization.

1340481480738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118398.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 1340481480738 in words is "one trillion, three hundred forty billion, four hundred eighty-one million, four hundred eighty thousand, seven hundred thirty-eight".