38840442052 has 12 divisors (see below), whose sum is σ = 70314593580. Its totient is φ = 18750558176.

The previous prime is 38840442041. The next prime is 38840442071. The reversal of 38840442052 is 25024404883.

It can be written as a sum of positive squares in 2 ways, for example, as 14173854916 + 24666587136 = 119054^2 + 157056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38840441996 and 38840442014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167415583 + ... + 167415814.

It is an arithmetic number, because the mean of its divisors is an integer number (5859549465).

Almost surely, 2^38840442052 is an apocalyptic number.

It is an amenable number.

38840442052 is a deficient number, since it is larger than the sum of its proper divisors (31474151528).

38840442052 is a wasteful number, since it uses less digits than its factorization.

38840442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334831430 (or 334831428 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 38840442052 in words is "thirty-eight billion, eight hundred forty million, four hundred forty-two thousand, fifty-two".