26252706506 has 16 divisors (see below), whose sum is σ = 44252054784. Its totient is φ = 11589823344.

The previous prime is 26252706503. The next prime is 26252706511. The reversal of 26252706506 is 60560725262.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26252706503) 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, 21949826 + ... + 21951021.

It is an arithmetic number, because the mean of its divisors is an integer number (2765753424).

Almost surely, 2^26252706506 is an apocalyptic number.

26252706506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26252706506 is a deficient number, since it is larger than the sum of its proper divisors (17999348278).

26252706506 is a wasteful number, since it uses less digits than its factorization.

26252706506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43900885.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 26252706506 in words is "twenty-six billion, two hundred fifty-two million, seven hundred six thousand, five hundred six".