4138818079368 has 64 divisors (see below), whose sum is σ = 11825471352960. Its totient is φ = 1182491767296.

The previous prime is 4138818079339. The next prime is 4138818079369. The reversal of 4138818079368 is 8639708188314.

It is a junction number, because it is equal to n+sod(n) for n = 4138818079299 and 4138818079308.

It is not an unprimeable number, because it can be changed into a prime (4138818079369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7539630 + ... + 8069922.

It is an arithmetic number, because the mean of its divisors is an integer number (184772989890).

Almost surely, 2^{4138818079368} is an apocalyptic number.

It is an amenable number.

4138818079368 is an abundant number, since it is smaller than the sum of its proper divisors (7686653273592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4138818079368 is a wasteful number, since it uses less digits than its factorization.

4138818079368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576766 (or 576762 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 4138818079368 in words is "four trillion, one hundred thirty-eight billion, eight hundred eighteen million, seventy-nine thousand, three hundred sixty-eight".