26422868480 has 80 divisors (see below), whose sum is σ = 63392404680. Its totient is φ = 10562568192.

The previous prime is 26422868471. The next prime is 26422868581. The reversal of 26422868480 is 8486822462.

It can be written as a sum of positive squares in 4 ways, for example, as 26223268096 + 199600384 = 161936^2 + 14128^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×26422868480² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8111012 + ... + 8114268.

Almost surely, 2^26422868480 is an apocalyptic number.

26422868480 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 26422868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31696202340).

26422868480 is an abundant number, since it is smaller than the sum of its proper divisors (36969536200).

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

26422868480 is an equidigital number, since it uses as much as digits as its factorization.

26422868480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 26422868480 in words is "twenty-six billion, four hundred twenty-two million, eight hundred sixty-eight thousand, four hundred eighty".