38518550468 has 6 divisors (see below), whose sum is σ = 67407463326. Its totient is φ = 19259275232.

The previous prime is 38518550461. The next prime is 38518550519. The reversal of 38518550468 is 86405581583.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30723779524 + 7794770944 = 175282^2 + 88288^2 .

It is not an unprimeable number, because it can be changed into a prime (38518550461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814818805 + ... + 4814818812.

It is an arithmetic number, because the mean of its divisors is an integer number (11234577221).

Almost surely, 2^38518550468 is an apocalyptic number.

It is an amenable number.

38518550468 is a deficient number, since it is larger than the sum of its proper divisors (28888912858).

38518550468 is a wasteful number, since it uses less digits than its factorization.

38518550468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629637621 (or 9629637619 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 38518550468 in words is "thirty-eight billion, five hundred eighteen million, five hundred fifty thousand, four hundred sixty-eight".