68340085032 has 96 divisors (see below), whose sum is σ = 177817701600. Its totient is φ = 21885563520.

The previous prime is 68340085027. The next prime is 68340085069. The reversal of 68340085032 is 23058004386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3195238 + ... + 3216554.

It is an arithmetic number, because the mean of its divisors is an integer number (1852267725).

Almost surely, 2^68340085032 is an apocalyptic number.

68340085032 is a gapful number since it is divisible by the number (62) 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 68340085032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88908850800).

68340085032 is an abundant number, since it is smaller than the sum of its proper divisors (109477616568).

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

68340085032 is a wasteful number, since it uses less digits than its factorization.

68340085032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527 (or 21492 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 68340085032 in words is "sixty-eight billion, three hundred forty million, eighty-five thousand, thirty-two".