26244646444 has 48 divisors (see below), whose sum is σ = 49498767360. Its totient is φ = 12130110720.

The previous prime is 26244646399. The next prime is 26244646513. The reversal of 26244646444 is 44464644262.

It is a junction number, because it is equal to n+sod(n) for n = 26244646394 and 26244646403.

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, 5899429 + ... + 5903875.

It is an arithmetic number, because the mean of its divisors is an integer number (1031224320).

Almost surely, 2^26244646444 is an apocalyptic number.

It is an amenable number.

26244646444 is a deficient number, since it is larger than the sum of its proper divisors (23254120916).

26244646444 is a wasteful number, since it uses less digits than its factorization.

26244646444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998 (or 5996 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 46.

The spelling of 26244646444 in words is "twenty-six billion, two hundred forty-four million, six hundred forty-six thousand, four hundred forty-four".