38666247412 has 48 divisors (see below), whose sum is σ = 73286664192. Its totient is φ = 17744371200.

The previous prime is 38666247391. The next prime is 38666247413. The reversal of 38666247412 is 21474266683.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666247413) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13345548 + ... + 13348444.

It is an arithmetic number, because the mean of its divisors is an integer number (1526805504).

Almost surely, 2^38666247412 is an apocalyptic number.

It is an amenable number.

38666247412 is a deficient number, since it is larger than the sum of its proper divisors (34620416780).

38666247412 is a wasteful number, since it uses less digits than its factorization.

38666247412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288 (or 4286 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 38666247412 in words is "thirty-eight billion, six hundred sixty-six million, two hundred forty-seven thousand, four hundred twelve".