349040568836 has 24 divisors (see below), whose sum is σ = 631909551000. Its totient is φ = 168495473664.

The previous prime is 349040568817. The next prime is 349040568841. The reversal of 349040568836 is 638865040943.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 227630135236 + 121410433600 = 477106^2 + 348440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3886730 + ... + 3975518.

It is an arithmetic number, because the mean of its divisors is an integer number (26329564625).

Almost surely, 2^349040568836 is an apocalyptic number.

It is an amenable number.

349040568836 is a deficient number, since it is larger than the sum of its proper divisors (282868982164).

349040568836 is a wasteful number, since it uses less digits than its factorization.

349040568836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122711 (or 122709 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 349040568836 in words is "three hundred forty-nine billion, forty million, five hundred sixty-eight thousand, eight hundred thirty-six".