1340216776 has 32 divisors (see below), whose sum is σ = 2591677440. Its totient is φ = 649349568.

The previous prime is 1340216771. The next prime is 1340216783. The reversal of 1340216776 is 6776120431.

It is not an unprimeable number, because it can be changed into a prime (1340216771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28350 + ... + 59026.

It is an arithmetic number, because the mean of its divisors is an integer number (80989920).

Almost surely, 2^1340216776 is an apocalyptic number.

It is an amenable number.

1340216776 is a deficient number, since it is larger than the sum of its proper divisors (1251460664).

1340216776 is a wasteful number, since it uses less digits than its factorization.

1340216776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30853 (or 30849 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 1340216776 is about 36608.9712502277. The cubic root of 1340216776 is about 1102.5332184567.

The spelling of 1340216776 in words is "one billion, three hundred forty million, two hundred sixteen thousand, seven hundred seventy-six".