68079479040 has 216 divisors, whose sum is σ = 241915580088. Its totient is φ = 17663754240.

The previous prime is 68079479011. The next prime is 68079479051. The reversal of 68079479040 is 4097497086.

It is a happy number.

68079479040 is a `hidden beast` number, since 68 + 0 + 79 + 479 + 0 + 40 = 666.

68079479040 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 16597684224 + 51481794816 = 128832^2 + 226896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346380 + ... + 506100.

Almost surely, 2^68079479040 is an apocalyptic number.

68079479040 is a gapful number since it is divisible by the number (60) 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 68079479040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120957790044).

68079479040 is an abundant number, since it is smaller than the sum of its proper divisors (173836101048).

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

68079479040 is a wasteful number, since it uses less digits than its factorization.

68079479040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159785 (or 159768 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 68079479040 in words is "sixty-eight billion, seventy-nine million, four hundred seventy-nine thousand, forty".