26481307608 has 96 divisors (see below), whose sum is σ = 86279980800. Its totient is φ = 7167870144.

The previous prime is 26481307607. The next prime is 26481307613. The reversal of 26481307608 is 80670318462.

26481307608 is a `hidden beast` number, since 2 + 6 + 4 + 8 + 1 + 30 + 7 + 608 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26481307607) 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, 1373116 + ... + 1392267.

It is an arithmetic number, because the mean of its divisors is an integer number (898749800).

Almost surely, 2^26481307608 is an apocalyptic number.

26481307608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26481307608 is an abundant number, since it is smaller than the sum of its proper divisors (59798673192).

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

26481307608 is a wasteful number, since it uses less digits than its factorization.

26481307608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765421 (or 2765414 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 26481307608 in words is "twenty-six billion, four hundred eighty-one million, three hundred seven thousand, six hundred eight".