38538242046228 has 48 divisors (see below), whose sum is σ = 95938937607744. Its totient is φ = 11998135518720.

The previous prime is 38538242046113. The next prime is 38538242046229. The reversal of 38538242046228 is 82264024283583.

It is a happy number.

It is a super-2 number, since 2×38538242046228² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538242046229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 721015075 + ... + 721068522.

It is an arithmetic number, because the mean of its divisors is an integer number (1998727866828).

Almost surely, 2^{38538242046228} is an apocalyptic number.

It is an amenable number.

38538242046228 is an abundant number, since it is smaller than the sum of its proper divisors (57400695561516).

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

38538242046228 is a wasteful number, since it uses less digits than its factorization.

38538242046228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442083752 (or 1442083750 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 57.

The spelling of 38538242046228 in words is "thirty-eight trillion, five hundred thirty-eight billion, two hundred forty-two million, forty-six thousand, two hundred twenty-eight".