1340496318 has 16 divisors (see below), whose sum is σ = 3063991680. Its totient is φ = 382998936.

The previous prime is 1340496263. The next prime is 1340496331. The reversal of 1340496318 is 8136940431.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15958248 + ... + 15958331.

It is an arithmetic number, because the mean of its divisors is an integer number (191499480).

Almost surely, 2^1340496318 is an apocalyptic number.

1340496318 is an abundant number, since it is smaller than the sum of its proper divisors (1723495362).

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

1340496318 is a wasteful number, since it uses less digits than its factorization.

1340496318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916591.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1340496318 is about 36612.7889951039. The cubic root of 1340496318 is about 1102.6098684735.

The spelling of 1340496318 in words is "one billion, three hundred forty million, four hundred ninety-six thousand, three hundred eighteen".