1340786468 has 12 divisors (see below), whose sum is σ = 2681572992. Its totient is φ = 574622760.

The previous prime is 1340786467. The next prime is 1340786543. The reversal of 1340786468 is 8646870431.

It is a happy number.

1340786468 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1340786467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23942588 + ... + 23942643.

It is an arithmetic number, because the mean of its divisors is an integer number (223464416).

Almost surely, 2^1340786468 is an apocalyptic number.

It is an amenable number.

1340786468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1340786468 is a wasteful number, since it uses less digits than its factorization.

1340786468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47885242 (or 47885240 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 1340786468 is about 36616.7511939549. The cubic root of 1340786468 is about 1102.6894159191.

The spelling of 1340786468 in words is "one billion, three hundred forty million, seven hundred eighty-six thousand, four hundred sixty-eight".