38664892806 has 48 divisors (see below), whose sum is σ = 80218579392. Its totient is φ = 12422186560.

The previous prime is 38664892793. The next prime is 38664892807. The reversal of 38664892806 is 60829846683.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38664892806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38664892807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814045 + ... + 860231.

It is an arithmetic number, because the mean of its divisors is an integer number (1671220404).

Almost surely, 2^38664892806 is an apocalyptic number.

38664892806 is an abundant number, since it is smaller than the sum of its proper divisors (41553686586).

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

38664892806 is a wasteful number, since it uses less digits than its factorization.

38664892806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46357 (or 46316 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 38664892806 in words is "thirty-eight billion, six hundred sixty-four million, eight hundred ninety-two thousand, eight hundred six".