68440926504 has 16 divisors (see below), whose sum is σ = 171102316320. Its totient is φ = 22813642160.

The previous prime is 68440926503. The next prime is 68440926509. The reversal of 68440926504 is 40562904486.

It is not an unprimeable number, because it can be changed into a prime (68440926503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425852612 + ... + 1425852659.

It is an arithmetic number, because the mean of its divisors is an integer number (10693894770).

Almost surely, 2^68440926504 is an apocalyptic number.

It is an amenable number.

68440926504 is an abundant number, since it is smaller than the sum of its proper divisors (102661389816).

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

68440926504 is a wasteful number, since it uses less digits than its factorization.

68440926504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851705280 (or 2851705276 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 68440926504 in words is "sixty-eight billion, four hundred forty million, nine hundred twenty-six thousand, five hundred four".