38928986444 has 12 divisors (see below), whose sum is σ = 71087714544. Its totient is φ = 18618210864.

The previous prime is 38928986431. The next prime is 38928986479. The reversal of 38928986444 is 44468982983.

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, 211570487 + ... + 211570670.

It is an arithmetic number, because the mean of its divisors is an integer number (5923976212).

Almost surely, 2^38928986444 is an apocalyptic number.

It is an amenable number.

38928986444 is a deficient number, since it is larger than the sum of its proper divisors (32158728100).

38928986444 is a wasteful number, since it uses less digits than its factorization.

38928986444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423141184 (or 423141182 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 65.

The spelling of 38928986444 in words is "thirty-eight billion, nine hundred twenty-eight million, nine hundred eighty-six thousand, four hundred forty-four".