26326844544 has 256 divisors, whose sum is σ = 93894312960. Its totient is φ = 6312038400.

The previous prime is 26326844507. The next prime is 26326844561. The reversal of 26326844544 is 44544862362.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 26326844493 and 26326844502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350139 + ... + 418629.

It is an arithmetic number, because the mean of its divisors is an integer number (366774660).

Almost surely, 2^26326844544 is an apocalyptic number.

26326844544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26326844544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46947156480).

26326844544 is an abundant number, since it is smaller than the sum of its proper divisors (67567468416).

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

26326844544 is a wasteful number, since it uses less digits than its factorization.

26326844544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68539 (or 68527 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 48.

The spelling of 26326844544 in words is "twenty-six billion, three hundred twenty-six million, eight hundred forty-four thousand, five hundred forty-four".