340307067784 has 16 divisors (see below), whose sum is σ = 638105068620. Its totient is φ = 170145716160.

The previous prime is 340307067769. The next prime is 340307067811. The reversal of 340307067784 is 487760703043.

It can be written as a sum of positive squares in 2 ways, for example, as 323622178884 + 16684888900 = 568878^2 + 129170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790107 + ... + 1142314.

Almost surely, 2^340307067784 is an apocalyptic number.

It is an amenable number.

340307067784 is a deficient number, since it is larger than the sum of its proper divisors (297798000836).

340307067784 is a wasteful number, since it uses less digits than its factorization.

340307067784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954440 (or 1954436 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 340307067784 in words is "three hundred forty billion, three hundred seven million, sixty-seven thousand, seven hundred eighty-four".