1340481481478 has 8 divisors (see below), whose sum is σ = 2010778240968. Its totient is φ = 670222067824.

The previous prime is 1340481481447. The next prime is 1340481481481. The reversal of 1340481481478 is 8741841840431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9246551 + ... + 9390402.

It is an arithmetic number, because the mean of its divisors is an integer number (251347280121).

Almost surely, 2^{1340481481478} is an apocalyptic number.

1340481481478 is a deficient number, since it is larger than the sum of its proper divisors (670296759490).

1340481481478 is a wasteful number, since it uses less digits than its factorization.

1340481481478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672918.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 1340481481478 in words is "one trillion, three hundred forty billion, four hundred eighty-one million, four hundred eighty-one thousand, four hundred seventy-eight".