26302620344 has 128 divisors (see below), whose sum is σ = 68353044480. Its totient is φ = 9154252800.

The previous prime is 26302620307. The next prime is 26302620349. The reversal of 26302620344 is 44302620362.

It is a self number, because there is not a number n which added to its sum of digits gives 26302620344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26302620349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195272 + ... + 301224.

It is an arithmetic number, because the mean of its divisors is an integer number (534008160).

Almost surely, 2^26302620344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26302620344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34176522240).

26302620344 is an abundant number, since it is smaller than the sum of its proper divisors (42050424136).

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

26302620344 is a wasteful number, since it uses less digits than its factorization.

26302620344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106021 (or 106017 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

It can be divided in two parts, 26302 and 620344, that added together give a palindrome (646646).

The spelling of 26302620344 in words is "twenty-six billion, three hundred two million, six hundred twenty thousand, three hundred forty-four".