26726285386731 has 8 divisors (see below), whose sum is σ = 40725768208384. Its totient is φ = 15272163078120.

The previous prime is 26726285386729. The next prime is 26726285386739. The reversal of 26726285386731 is 13768358262762.

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

It is not a de Polignac number, because 26726285386731 - 2¹ = 26726285386729 is a prime.

It is a super-2 number, since 2×26726285386731² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26726285386739) 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, 636340128235 + ... + 636340128276.

It is an arithmetic number, because the mean of its divisors is an integer number (5090721026048).

Almost surely, 2^{26726285386731} is an apocalyptic number.

26726285386731 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26726285386731 is a deficient number, since it is larger than the sum of its proper divisors (13999482821653).

26726285386731 is a wasteful number, since it uses less digits than its factorization.

26726285386731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272680256521.

The product of its digits is 243855360, while the sum is 66.

The spelling of 26726285386731 in words is "twenty-six trillion, seven hundred twenty-six billion, two hundred eighty-five million, three hundred eighty-six thousand, seven hundred thirty-one".