38765400538 has 8 divisors (see below), whose sum is σ = 58148939700. Its totient is φ = 19382420640.

The previous prime is 38765400529. The next prime is 38765400559. The reversal of 38765400538 is 83500456783.

It can be written as a sum of positive squares in 2 ways, for example, as 38578066569 + 187333969 = 196413^2 + 13687^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 38765400491 and 38765400500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177558 + ... + 330238.

Almost surely, 2^38765400538 is an apocalyptic number.

38765400538 is a deficient number, since it is larger than the sum of its proper divisors (19383539162).

38765400538 is a wasteful number, since it uses less digits than its factorization.

38765400538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279632.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 38765400538 in words is "thirty-eight billion, seven hundred sixty-five million, four hundred thousand, five hundred thirty-eight".