38813819620 has 24 divisors (see below), whose sum is σ = 86303670264. Its totient is φ = 14612261376.

The previous prime is 38813819573. The next prime is 38813819621. The reversal of 38813819620 is 2691831883.

38813819620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7149040704 + 31664778916 = 84552^2 + 177946^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38813819621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57078807 + ... + 57079486.

It is an arithmetic number, because the mean of its divisors is an integer number (3595986261).

Almost surely, 2^38813819620 is an apocalyptic number.

It is an amenable number.

38813819620 is an abundant number, since it is smaller than the sum of its proper divisors (47489850644).

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

38813819620 is a wasteful number, since it uses less digits than its factorization.

38813819620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114158319 (or 114158317 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 38813819620 in words is "thirty-eight billion, eight hundred thirteen million, eight hundred nineteen thousand, six hundred twenty".