38520037049 has 8 divisors (see below), whose sum is σ = 43666439040. Its totient is φ = 33685538256.

The previous prime is 38520036983. The next prime is 38520037063. The reversal of 38520037049 is 94073002583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38520037049 - 2²⁸ = 38251601593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38520036997 and 38520037015.

It is not an unprimeable number, because it can be changed into a prime (38520037069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77975537 + ... + 77976030.

It is an arithmetic number, because the mean of its divisors is an integer number (5458304880).

Almost surely, 2^38520037049 is an apocalyptic number.

It is an amenable number.

38520037049 is a deficient number, since it is larger than the sum of its proper divisors (5146401991).

38520037049 is a wasteful number, since it uses less digits than its factorization.

38520037049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155951599.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 38520037049 in words is "thirty-eight billion, five hundred twenty million, thirty-seven thousand, forty-nine".