32139868068 has 192 divisors, whose sum is σ = 104233113600. Its totient is φ = 8320164480.

The previous prime is 32139868037. The next prime is 32139868069. The reversal of 32139868068 is 86086893123.

It is a happy number.

It is a super-2 number, since 2×32139868068² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (32139868069) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2546718 + ... + 2559306.

It is an arithmetic number, because the mean of its divisors is an integer number (542880800).

Almost surely, 2^32139868068 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 32139868068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52116556800).

32139868068 is an abundant number, since it is smaller than the sum of its proper divisors (72093245532).

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

32139868068 is a wasteful number, since it uses less digits than its factorization.

32139868068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12919 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 32139868068 in words is "thirty-two billion, one hundred thirty-nine million, eight hundred sixty-eight thousand, sixty-eight".