26644244424040 has 32 divisors (see below), whose sum is σ = 60708405024000. Its totient is φ = 10522790201664.

The previous prime is 26644244424001. The next prime is 26644244424047. The reversal of 26644244424040 is 4042444244662.

It is not an unprimeable number, because it can be changed into a prime (26644244424047) 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, 4215858300 + ... + 4215864619.

It is an arithmetic number, because the mean of its divisors is an integer number (1897137657000).

Almost surely, 2^{26644244424040} is an apocalyptic number.

26644244424040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26644244424040 is an abundant number, since it is smaller than the sum of its proper divisors (34064160599960).

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

26644244424040 is a wasteful number, since it uses less digits than its factorization.

26644244424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431723009 (or 8431723005 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 46.

The spelling of 26644244424040 in words is "twenty-six trillion, six hundred forty-four billion, two hundred forty-four million, four hundred twenty-four thousand, forty".