38989709160 has 128 divisors (see below), whose sum is σ = 121417228800. Its totient is φ = 10009128960.

The previous prime is 38989709153. The next prime is 38989709167. The reversal of 38989709160 is 6190798983.

It is an interprime number because it is at equal distance from previous prime (38989709153) and next prime (38989709167).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 38989709094 and 38989709103.

It is not an unprimeable number, because it can be changed into a prime (38989709167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287376 + ... + 400704.

It is an arithmetic number, because the mean of its divisors is an integer number (948572100).

Almost surely, 2^38989709160 is an apocalyptic number.

38989709160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38989709160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60708614400).

38989709160 is an abundant number, since it is smaller than the sum of its proper divisors (82427519640).

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

38989709160 is a wasteful number, since it uses less digits than its factorization.

38989709160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113451 (or 113447 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 38989709160 in words is "thirty-eight billion, nine hundred eighty-nine million, seven hundred nine thousand, one hundred sixty".