26230643406 has 24 divisors (see below), whose sum is σ = 61999703064. Its totient is φ = 7948679760.

The previous prime is 26230643399. The next prime is 26230643429. The reversal of 26230643406 is 60434603262.

26230643406 is a `hidden beast` number, since 2 + 6 + 2 + 3 + 0 + 643 + 4 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66238801 + ... + 66239196.

It is an arithmetic number, because the mean of its divisors is an integer number (2583320961).

Almost surely, 2^26230643406 is an apocalyptic number.

26230643406 is an abundant number, since it is smaller than the sum of its proper divisors (35769059658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26230643406 is a wasteful number, since it uses less digits than its factorization.

26230643406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132478016 (or 132478013 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 26230643406 in words is "twenty-six billion, two hundred thirty million, six hundred forty-three thousand, four hundred six".