38218336924 has 24 divisors (see below), whose sum is σ = 67660472880. Its totient is φ = 18886944384.

The previous prime is 38218336921. The next prime is 38218336987. The reversal of 38218336924 is 42963381283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38218336921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935142 + ... + 975154.

It is an arithmetic number, because the mean of its divisors is an integer number (2819186370).

Almost surely, 2^38218336924 is an apocalyptic number.

It is an amenable number.

38218336924 is a deficient number, since it is larger than the sum of its proper divisors (29442135956).

38218336924 is a wasteful number, since it uses less digits than its factorization.

38218336924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42789 (or 42787 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The spelling of 38218336924 in words is "thirty-eight billion, two hundred eighteen million, three hundred thirty-six thousand, nine hundred twenty-four".