26402837306881 has 8 divisors (see below), whose sum is σ = 30194380345664. Its totient is φ = 22616221552560.

The previous prime is 26402837306827. The next prime is 26402837306887. The reversal of 26402837306881 is 18860373820462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26402837306881 - 2¹³ = 26402837298689 is a prime.

It is a super-2 number, since 2×26402837306881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26402837306887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231809630 + ... + 1231831063.

It is an arithmetic number, because the mean of its divisors is an integer number (3774297543208).

Almost surely, 2^{26402837306881} is an apocalyptic number.

It is an amenable number.

26402837306881 is a deficient number, since it is larger than the sum of its proper divisors (3791543038783).

26402837306881 is a wasteful number, since it uses less digits than its factorization.

26402837306881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463642231.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 26402837306881 in words is "twenty-six trillion, four hundred two billion, eight hundred thirty-seven million, three hundred six thousand, eight hundred eighty-one".