340128642216 has 32 divisors (see below), whose sum is σ = 927623570400. Its totient is φ = 103069285440.

The previous prime is 340128642157. The next prime is 340128642257. The reversal of 340128642216 is 612246821043.

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, 644182771 + ... + 644183298.

It is an arithmetic number, because the mean of its divisors is an integer number (28988236575).

Almost surely, 2^340128642216 is an apocalyptic number.

It is an amenable number.

340128642216 is an abundant number, since it is smaller than the sum of its proper divisors (587494928184).

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

340128642216 is a wasteful number, since it uses less digits than its factorization.

340128642216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288366089 (or 1288366085 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 340128642216 in words is "three hundred forty billion, one hundred twenty-eight million, six hundred forty-two thousand, two hundred sixteen".