26140343207 has 8 divisors (see below), whose sum is σ = 28522044432. Its totient is φ = 23759526400.

The previous prime is 26140343191. The next prime is 26140343221. The reversal of 26140343207 is 70234304162.

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 26140343207 - 2⁴ = 26140343191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140343297) 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, 158528 + ... + 278229.

It is an arithmetic number, because the mean of its divisors is an integer number (3565255554).

Almost surely, 2^26140343207 is an apocalyptic number.

26140343207 is a deficient number, since it is larger than the sum of its proper divisors (2381701225).

26140343207 is a wasteful number, since it uses less digits than its factorization.

26140343207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442209.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 26140343207 its reverse (70234304162), we get a palindrome (96374647369).

The spelling of 26140343207 in words is "twenty-six billion, one hundred forty million, three hundred forty-three thousand, two hundred seven".