38168948420 has 24 divisors (see below), whose sum is σ = 84869780184. Its totient is φ = 14369486336.

The previous prime is 38168948387. The next prime is 38168948423. The reversal of 38168948420 is 2484986183.

38168948420 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 799419076 + 37369529344 = 28274^2 + 193312^2 .

It is not an unprimeable number, because it can be changed into a prime (38168948423) 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, 56130467 + ... + 56131146.

It is an arithmetic number, because the mean of its divisors is an integer number (3536240841).

Almost surely, 2^38168948420 is an apocalyptic number.

It is an amenable number.

38168948420 is an abundant number, since it is smaller than the sum of its proper divisors (46700831764).

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

38168948420 is a wasteful number, since it uses less digits than its factorization.

38168948420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112261639 (or 112261637 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 38168948420 in words is "thirty-eight billion, one hundred sixty-eight million, nine hundred forty-eight thousand, four hundred twenty".