68080400408648 has 64 divisors (see below), whose sum is σ = 133178059828800. Its totient is φ = 32607196876800.

The previous prime is 68080400408609. The next prime is 68080400408659. The reversal of 68080400408648 is 84680400408086.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68080400408593 and 68080400408602.

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, 9042953 + ... + 14762648.

It is an arithmetic number, because the mean of its divisors is an integer number (2080907184825).

Almost surely, 2^{68080400408648} is an apocalyptic number.

It is an amenable number.

68080400408648 is a deficient number, since it is larger than the sum of its proper divisors (65097659420152).

68080400408648 is a wasteful number, since it uses less digits than its factorization.

68080400408648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23805822 (or 23805818 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 56.

The spelling of 68080400408648 in words is "sixty-eight trillion, eighty billion, four hundred million, four hundred eight thousand, six hundred forty-eight".