26340636453 has 16 divisors (see below), whose sum is σ = 36980160000. Its totient is φ = 16631310960.

The previous prime is 26340636433. The next prime is 26340636467. The reversal of 26340636453 is 35463604362.

It is not a de Polignac number, because 26340636453 - 2⁶ = 26340636389 is a prime.

It is a super-2 number, since 2×26340636453² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340636433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133408 + ... + 265478.

It is an arithmetic number, because the mean of its divisors is an integer number (2311260000).

Almost surely, 2^26340636453 is an apocalyptic number.

It is an amenable number.

26340636453 is a deficient number, since it is larger than the sum of its proper divisors (10639523547).

26340636453 is a wasteful number, since it uses less digits than its factorization.

26340636453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135592.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 26340636453 in words is "twenty-six billion, three hundred forty million, six hundred thirty-six thousand, four hundred fifty-three".