38564218968 has 32 divisors (see below), whose sum is σ = 105175143360. Its totient is φ = 11686126880.

The previous prime is 38564218967. The next prime is 38564218991. The reversal of 38564218968 is 86981246583.

It is a super-2 number, since 2×38564218968² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38564218967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73038030 + ... + 73038557.

It is an arithmetic number, because the mean of its divisors is an integer number (3286723230).

Almost surely, 2^38564218968 is an apocalyptic number.

It is an amenable number.

38564218968 is an abundant number, since it is smaller than the sum of its proper divisors (66610924392).

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

38564218968 is a wasteful number, since it uses less digits than its factorization.

38564218968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146076607 (or 146076603 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 38564218968 in words is "thirty-eight billion, five hundred sixty-four million, two hundred eighteen thousand, nine hundred sixty-eight".