68929450080 has 96 divisors (see below), whose sum is σ = 217178690400. Its totient is φ = 18376876032.

The previous prime is 68929449997. The next prime is 68929450097. The reversal of 68929450080 is 8005492986.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2389986 + ... + 2418654.

It is an arithmetic number, because the mean of its divisors is an integer number (2262278025).

Almost surely, 2^68929450080 is an apocalyptic number.

68929450080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68929450080 is an abundant number, since it is smaller than the sum of its proper divisors (148249240320).

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

68929450080 is a wasteful number, since it uses less digits than its factorization.

68929450080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33696 (or 33688 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 68929450080 in words is "sixty-eight billion, nine hundred twenty-nine million, four hundred fifty thousand, eighty".