2646064444026 has 8 divisors (see below), whose sum is σ = 5292128888064. Its totient is φ = 882021481340.

The previous prime is 2646064443989. The next prime is 2646064444027. The reversal of 2646064444026 is 6204444606462.

2646064444026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2646064444026 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2646064444027) 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, 220505370330 + ... + 220505370341.

It is an arithmetic number, because the mean of its divisors is an integer number (661516111008).

Almost surely, 2^{2646064444026} is an apocalyptic number.

2646064444026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2646064444026 is a wasteful number, since it uses less digits than its factorization.

2646064444026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441010740676.

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 2646064444026 in words is "two trillion, six hundred forty-six billion, sixty-four million, four hundred forty-four thousand, twenty-six".