38749065872 has 40 divisors (see below), whose sum is σ = 86719172832. Its totient is φ = 16577139200.

The previous prime is 38749065871. The next prime is 38749065941. The reversal of 38749065872 is 27856094783.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38749065871) 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, 6472454 + ... + 6478437.

Almost surely, 2^38749065872 is an apocalyptic number.

It is an amenable number.

38749065872 is an abundant number, since it is smaller than the sum of its proper divisors (47970106960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38749065872 is a wasteful number, since it uses less digits than its factorization.

38749065872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950927 (or 12950921 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 38749065872 in words is "thirty-eight billion, seven hundred forty-nine million, sixty-five thousand, eight hundred seventy-two".