2638268043308 has 24 divisors (see below), whose sum is σ = 4632678187200. Its totient is φ = 1314647762048.

The previous prime is 2638268043293. The next prime is 2638268043317. The reversal of 2638268043308 is 8033408628362.

It is a self number, because there is not a number n which added to its sum of digits gives 2638268043308.

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, 4917128 + ... + 5427216.

It is an arithmetic number, because the mean of its divisors is an integer number (193028257800).

Almost surely, 2^{2638268043308} is an apocalyptic number.

It is an amenable number.

2638268043308 is a deficient number, since it is larger than the sum of its proper divisors (1994410143892).

2638268043308 is a wasteful number, since it uses less digits than its factorization.

2638268043308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514489 (or 514487 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 53.

The spelling of 2638268043308 in words is "two trillion, six hundred thirty-eight billion, two hundred sixty-eight million, forty-three thousand, three hundred eight".