26238292480 has 160 divisors (see below), whose sum is σ = 64860491520. Its totient is φ = 10172252160.

The previous prime is 26238292477. The next prime is 26238292481. The reversal of 26238292480 is 8429283262.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 26238292480.

It is not an unprimeable number, because it can be changed into a prime (26238292481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41581765 + ... + 41582395.

It is an arithmetic number, because the mean of its divisors is an integer number (405378072).

Almost surely, 2^26238292480 is an apocalyptic number.

26238292480 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 26238292480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32430245760).

26238292480 is an abundant number, since it is smaller than the sum of its proper divisors (38622199040).

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

26238292480 is an equidigital number, since it uses as much as digits as its factorization.

26238292480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 26238292480 in words is "twenty-six billion, two hundred thirty-eight million, two hundred ninety-two thousand, four hundred eighty".