340840207908 has 48 divisors (see below), whose sum is σ = 884037925120. Its totient is φ = 113564786400.

The previous prime is 340840207901. The next prime is 340840207921. The reversal of 340840207908 is 809702048043.

It is not an unprimeable number, because it can be changed into a prime (340840207901) 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, 421228 + ... + 926883.

Almost surely, 2^340840207908 is an apocalyptic number.

It is an amenable number.

340840207908 is an abundant number, since it is smaller than the sum of its proper divisors (543197717212).

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

340840207908 is a wasteful number, since it uses less digits than its factorization.

340840207908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350465 (or 1350457 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 340840207908 in words is "three hundred forty billion, eight hundred forty million, two hundred seven thousand, nine hundred eight".