26432453808 has 120 divisors (see below), whose sum is σ = 78373260576. Its totient is φ = 8287488000.

The previous prime is 26432453771. The next prime is 26432453821. The reversal of 26432453808 is 80835423462.

26432453808 is a `hidden beast` number, since 26 + 4 + 3 + 245 + 380 + 8 = 666.

It is a super-2 number, since 2×26432453808² (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 23 ways as a sum of consecutive naturals, for example, 8005758 + ... + 8009058.

Almost surely, 2^26432453808 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 26432453808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39186630288).

26432453808 is an abundant number, since it is smaller than the sum of its proper divisors (51940806768).

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

26432453808 is a wasteful number, since it uses less digits than its factorization.

26432453808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603 (or 6594 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 26432453808 in words is "twenty-six billion, four hundred thirty-two million, four hundred fifty-three thousand, eight hundred eight".