2644266020626 has 16 divisors (see below), whose sum is σ = 4063266643968. Its totient is φ = 1289845808800.

The previous prime is 2644266020579. The next prime is 2644266020633. The reversal of 2644266020626 is 6260206624462.

2644266020626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2644266020626² (a number of 26 digits) contains 22 as substring.

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, 2247471 + ... + 3215533.

It is an arithmetic number, because the mean of its divisors is an integer number (253954165248).

Almost surely, 2^{2644266020626} is an apocalyptic number.

2644266020626 is a deficient number, since it is larger than the sum of its proper divisors (1419000623342).

2644266020626 is a wasteful number, since it uses less digits than its factorization.

2644266020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001417.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 2644266020626 in words is "two trillion, six hundred forty-four billion, two hundred sixty-six million, twenty thousand, six hundred twenty-six".