38531235238818 has 16 divisors (see below), whose sum is σ = 88071394831680. Its totient is φ = 11008924353936.

The previous prime is 38531235238799. The next prime is 38531235238829. The reversal of 38531235238818 is 81883253213583.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458705181373 + ... + 458705181456.

It is an arithmetic number, because the mean of its divisors is an integer number (5504462176980).

Almost surely, 2^{38531235238818} is an apocalyptic number.

38531235238818 is an abundant number, since it is smaller than the sum of its proper divisors (49540159592862).

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

38531235238818 is a wasteful number, since it uses less digits than its factorization.

38531235238818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917410362841.

The product of its digits is 33177600, while the sum is 60.

The spelling of 38531235238818 in words is "thirty-eight trillion, five hundred thirty-one billion, two hundred thirty-five million, two hundred thirty-eight thousand, eight hundred eighteen".