4000289027646 has 16 divisors (see below), whose sum is σ = 8000942031504. Its totient is φ = 1333369013184.

The previous prime is 4000289027629. The next prime is 4000289027659. The reversal of 4000289027646 is 6467209820004.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4000289027595 and 4000289027604.

It is a congruent number.

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, 15022695 + ... + 15286658.

It is an arithmetic number, because the mean of its divisors is an integer number (500058876969).

Almost surely, 2^{4000289027646} is an apocalyptic number.

4000289027646 is an abundant number, since it is smaller than the sum of its proper divisors (4000653003858).

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

4000289027646 is a wasteful number, since it uses less digits than its factorization.

4000289027646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331355.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 4000289027646 in words is "four trillion, two hundred eighty-nine million, twenty-seven thousand, six hundred forty-six".