38264217636 has 12 divisors (see below), whose sum is σ = 89283174512. Its totient is φ = 12754739208.

The previous prime is 38264217619. The next prime is 38264217643. The reversal of 38264217636 is 63671246283.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1594342390 + ... + 1594342413.

Almost surely, 2^38264217636 is an apocalyptic number.

It is an amenable number.

38264217636 is an abundant number, since it is smaller than the sum of its proper divisors (51018956876).

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

38264217636 is a wasteful number, since it uses less digits than its factorization.

38264217636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188684810 (or 3188684808 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The spelling of 38264217636 in words is "thirty-eight billion, two hundred sixty-four million, two hundred seventeen thousand, six hundred thirty-six".