38680489444 has 48 divisors (see below), whose sum is σ = 71187701760. Its totient is φ = 18365755680.

The previous prime is 38680489423. The next prime is 38680489447. The reversal of 38680489444 is 44498408683.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38680489447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4289989 + ... + 4298995.

It is an arithmetic number, because the mean of its divisors is an integer number (1483077120).

Almost surely, 2^38680489444 is an apocalyptic number.

It is an amenable number.

38680489444 is a deficient number, since it is larger than the sum of its proper divisors (32507212316).

38680489444 is a wasteful number, since it uses less digits than its factorization.

38680489444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688 (or 9686 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 38680489444 in words is "thirty-eight billion, six hundred eighty million, four hundred eighty-nine thousand, four hundred forty-four".