26340631 has 8 divisors (see below), whose sum is σ = 28062720. Its totient is φ = 24652152.

The previous prime is 26340623. The next prime is 26340647. The reversal of 26340631 is 13604362.

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 26340631 - 2³ = 26340623 is a prime.

It is a super-2 number, since 2×26340631² = 1387657682956322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26340596 and 26340605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340331) 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, 6775 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^26340631 is an apocalyptic number.

26340631 is a deficient number, since it is larger than the sum of its proper divisors (1722089).

26340631 is a wasteful number, since it uses less digits than its factorization.

26340631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 26340631 is about 5132.3124417751. The cubic root of 26340631 is about 297.5377387805.

Adding to 26340631 its reverse (13604362), we get a palindrome (39944993).

The spelling of 26340631 in words is "twenty-six million, three hundred forty thousand, six hundred thirty-one".