38391827312 has 40 divisors (see below), whose sum is σ = 76703236512. Its totient is φ = 18603648000.

The previous prime is 38391827297. The next prime is 38391827317. The reversal of 38391827312 is 21372819383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38391827317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94733 + ... + 292844.

Almost surely, 2^38391827312 is an apocalyptic number.

It is an amenable number.

38391827312 is a deficient number, since it is larger than the sum of its proper divisors (38311409200).

38391827312 is a wasteful number, since it uses less digits than its factorization.

38391827312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387777 (or 387771 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The spelling of 38391827312 in words is "thirty-eight billion, three hundred ninety-one million, eight hundred twenty-seven thousand, three hundred twelve".