68235538480 has 40 divisors (see below), whose sum is σ = 158658595200. Its totient is φ = 27292328448.

The previous prime is 68235538471. The next prime is 68235538529. The reversal of 68235538480 is 8483553286.

68235538480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018356 + ... + 2051884.

It is an arithmetic number, because the mean of its divisors is an integer number (3966464880).

Almost surely, 2^68235538480 is an apocalyptic number.

It is an amenable number.

68235538480 is an abundant number, since it is smaller than the sum of its proper divisors (90423056720).

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

68235538480 is a wasteful number, since it uses less digits than its factorization.

68235538480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58981 (or 58975 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 68235538480 in words is "sixty-eight billion, two hundred thirty-five million, five hundred thirty-eight thousand, four hundred eighty".