38706621048 has 96 divisors (see below), whose sum is σ = 107447361840. Its totient is φ = 12580477440.

The previous prime is 38706621047. The next prime is 38706621053. The reversal of 38706621048 is 84012660783.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38706620994 and 38706621012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38706621043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9098890 + ... + 9103142.

Almost surely, 2^38706621048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38706621048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53723680920).

38706621048 is an abundant number, since it is smaller than the sum of its proper divisors (68740740792).

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

38706621048 is a wasteful number, since it uses less digits than its factorization.

38706621048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389 (or 7382 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 38706621048 in words is "thirty-eight billion, seven hundred six million, six hundred twenty-one thousand, forty-eight".