26598425280 has 448 divisors, whose sum is σ = 104092369920. Its totient is φ = 5618073600.

The previous prime is 26598425263. The next prime is 26598425353. The reversal of 26598425280 is 8252489562.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5232340 + ... + 5237420.

It is an arithmetic number, because the mean of its divisors is an integer number (232349040).

Almost surely, 2^26598425280 is an apocalyptic number.

26598425280 is a gapful number since it is divisible by the number (20) 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 26598425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52046184960).

26598425280 is an abundant number, since it is smaller than the sum of its proper divisors (77493944640).

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

26598425280 is a wasteful number, since it uses less digits than its factorization.

26598425280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168 (or 5158 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 26598425280 in words is "twenty-six billion, five hundred ninety-eight million, four hundred twenty-five thousand, two hundred eighty".