38705630508 has 18 divisors (see below), whose sum is σ = 97839232764. Its totient is φ = 12901876824.

The previous prime is 38705630507. The next prime is 38705630521. The reversal of 38705630508 is 80503650783.

38705630508 is a `hidden beast` number, since 3 + 8 + 7 + 0 + 5 + 630 + 5 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (38705630501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537578166 + ... + 537578237.

Almost surely, 2^38705630508 is an apocalyptic number.

It is an amenable number.

38705630508 is an abundant number, since it is smaller than the sum of its proper divisors (59133602256).

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

38705630508 is a wasteful number, since it uses less digits than its factorization.

38705630508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075156413 (or 1075156408 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 38705630508 in words is "thirty-eight billion, seven hundred five million, six hundred thirty thousand, five hundred eight".