340246739651 has 16 divisors (see below), whose sum is σ = 427675121664. Its totient is φ = 263478416544.

The previous prime is 340246739639. The next prime is 340246739681. The reversal of 340246739651 is 156937642043.

It is a de Polignac number, because none of the positive numbers 2^k-340246739651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340246739651.

It is not an unprimeable number, because it can be changed into a prime (340246739611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39772055 + ... + 39780608.

It is an arithmetic number, because the mean of its divisors is an integer number (26729695104).

Almost surely, 2^340246739651 is an apocalyptic number.

340246739651 is a deficient number, since it is larger than the sum of its proper divisors (87428382013).

340246739651 is a wasteful number, since it uses less digits than its factorization.

340246739651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79552730.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 340246739651 in words is "three hundred forty billion, two hundred forty-six million, seven hundred thirty-nine thousand, six hundred fifty-one".