3996426680568 has 64 divisors (see below), whose sum is σ = 12687068832000. Its totient is φ = 1141836194016.

The previous prime is 3996426680551. The next prime is 3996426680573. The reversal of 3996426680568 is 8650866246993.

3996426680568 is a `hidden beast` number, since 3 + 9 + 96 + 426 + 68 + 0 + 56 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3996426680496 and 3996426680505.

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, 1321568158 + ... + 1321571181.

It is an arithmetic number, because the mean of its divisors is an integer number (198235450500).

Almost surely, 2^{3996426680568} is an apocalyptic number.

It is an amenable number.

3996426680568 is an abundant number, since it is smaller than the sum of its proper divisors (8690642151432).

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

3996426680568 is a wasteful number, since it uses less digits than its factorization.

3996426680568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643139361 (or 2643139351 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 72.

The spelling of 3996426680568 in words is "three trillion, nine hundred ninety-six billion, four hundred twenty-six million, six hundred eighty thousand, five hundred sixty-eight".