26481302881 has 8 divisors (see below), whose sum is σ = 29213287200. Its totient is φ = 23803417440.

The previous prime is 26481302863. The next prime is 26481302891. The reversal of 26481302881 is 18820318462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-26481302881 is a prime.

It is a super-2 number, since 2×26481302881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26481302891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13523691 + ... + 13525648.

It is an arithmetic number, because the mean of its divisors is an integer number (3651660900).

Almost surely, 2^26481302881 is an apocalyptic number.

It is an amenable number.

26481302881 is a deficient number, since it is larger than the sum of its proper divisors (2731984319).

26481302881 is a wasteful number, since it uses less digits than its factorization.

26481302881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27049439.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 26481302881 in words is "twenty-six billion, four hundred eighty-one million, three hundred two thousand, eight hundred eighty-one".