26641544231 has 8 divisors (see below), whose sum is σ = 27601189680. Its totient is φ = 25684630272.

The previous prime is 26641544227. The next prime is 26641544311. The reversal of 26641544231 is 13244514662.

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 26641544231 - 2² = 26641544227 is a prime.

It is a super-2 number, since 2×26641544231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26641544731) 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, 663005 + ... + 702038.

It is an arithmetic number, because the mean of its divisors is an integer number (3450148710).

Almost surely, 2^26641544231 is an apocalyptic number.

26641544231 is a deficient number, since it is larger than the sum of its proper divisors (959645449).

26641544231 is a wasteful number, since it uses less digits than its factorization.

26641544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365745.

The product of its digits is 138240, while the sum is 38.

The spelling of 26641544231 in words is "twenty-six billion, six hundred forty-one million, five hundred forty-four thousand, two hundred thirty-one".