38049917680 has 40 divisors (see below), whose sum is σ = 88624988352. Its totient is φ = 15192624384.

The previous prime is 38049917657. The next prime is 38049917687. The reversal of 38049917680 is 8671994083.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38049917687) 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, 382392 + ... + 471511.

Almost surely, 2^38049917680 is an apocalyptic number.

It is an amenable number.

38049917680 is an abundant number, since it is smaller than the sum of its proper divisors (50575070672).

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

38049917680 is a wasteful number, since it uses less digits than its factorization.

38049917680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854473 (or 854467 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 38049917680 in words is "thirty-eight billion, forty-nine million, nine hundred seventeen thousand, six hundred eighty".