26298379488 has 144 divisors (see below), whose sum is σ = 71810758656. Its totient is φ = 8426611200.

The previous prime is 26298379477. The next prime is 26298379489. The reversal of 26298379488 is 88497389262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26298379489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22847713 + ... + 22848863.

It is an arithmetic number, because the mean of its divisors is an integer number (498685824).

Almost surely, 2^26298379488 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 26298379488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35905379328).

26298379488 is an abundant number, since it is smaller than the sum of its proper divisors (45512379168).

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

26298379488 is a wasteful number, since it uses less digits than its factorization.

26298379488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1468 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 66.

The spelling of 26298379488 in words is "twenty-six billion, two hundred ninety-eight million, three hundred seventy-nine thousand, four hundred eighty-eight".