2644424424446 has 16 divisors (see below), whose sum is σ = 4533327848544. Its totient is φ = 1133317544544.

The previous prime is 2644424424443. The next prime is 2644424424457. The reversal of 2644424424446 is 6444244244462.

It is a junction number, because it is equal to n+sod(n) for n = 2644424424394 and 2644424424403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644424424443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096456 + ... + 3111908.

It is an arithmetic number, because the mean of its divisors is an integer number (283332990534).

Almost surely, 2^{2644424424446} is an apocalyptic number.

2644424424446 is a deficient number, since it is larger than the sum of its proper divisors (1888903424098).

2644424424446 is a wasteful number, since it uses less digits than its factorization.

2644424424446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201475.

The product of its digits is 18874368, while the sum is 50.

The spelling of 2644424424446 in words is "two trillion, six hundred forty-four billion, four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-six".