6340660436 has 24 divisors (see below), whose sum is σ = 12172537440. Its totient is φ = 2866013600.

The previous prime is 6340660429. The next prime is 6340660477.

6340660436 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6340660436.

It is a congruent number.

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, 394655 + ... + 410406.

It is an arithmetic number, because the mean of its divisors is an integer number (507189060).

Almost surely, 2^6340660436 is an apocalyptic number.

It is an amenable number.

6340660436 is a deficient number, since it is larger than the sum of its proper divisors (5831877004).

6340660436 is a wasteful number, since it uses less digits than its factorization.

6340660436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805255 (or 805253 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The square root of 6340660436 is about 79628.2640524079. The cubic root of 6340660436 is about 1850.8795852398.

The spelling of 6340660436 in words is "six billion, three hundred forty million, six hundred sixty thousand, four hundred thirty-six".