38401820384 has 24 divisors (see below), whose sum is σ = 75615088248. Its totient is φ = 19197988480.

The previous prime is 38401820357. The next prime is 38401820389. The reversal of 38401820384 is 48302810483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38401820389) 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 3 ways as a sum of consecutive naturals, for example, 130574 + ... + 306354.

It is an arithmetic number, because the mean of its divisors is an integer number (3150628677).

Almost surely, 2^38401820384 is an apocalyptic number.

It is an amenable number.

38401820384 is a deficient number, since it is larger than the sum of its proper divisors (37213267864).

38401820384 is a wasteful number, since it uses less digits than its factorization.

38401820384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182618 (or 182610 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

Subtracting 38401820384 from its reverse (48302810483), we obtain a palindrome (9900990099).

The spelling of 38401820384 in words is "thirty-eight billion, four hundred one million, eight hundred twenty thousand, three hundred eighty-four".