38956690908 has 96 divisors (see below), whose sum is σ = 105547115520. Its totient is φ = 12413640960.

The previous prime is 38956690847. The next prime is 38956690909. The reversal of 38956690908 is 80909665983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38956690909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129028 + ... + 307508.

It is an arithmetic number, because the mean of its divisors is an integer number (1099449120).

Almost surely, 2^38956690908 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 38956690908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52773557760).

38956690908 is an abundant number, since it is smaller than the sum of its proper divisors (66590424612).

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

38956690908 is a wasteful number, since it uses less digits than its factorization.

38956690908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178584 (or 178576 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 38956690908 in words is "thirty-eight billion, nine hundred fifty-six million, six hundred ninety thousand, nine hundred eight".