26452646512 has 20 divisors (see below), whose sum is σ = 51780376816. Its totient is φ = 13089968640.

The previous prime is 26452646503. The next prime is 26452646531. The reversal of 26452646512 is 21564625462.

It is a happy number.

It is a super-2 number, since 2×26452646512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8520564 + ... + 8523667.

Almost surely, 2^26452646512 is an apocalyptic number.

It is an amenable number.

26452646512 is a deficient number, since it is larger than the sum of its proper divisors (25327730304).

26452646512 is a wasteful number, since it uses less digits than its factorization.

26452646512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17044336 (or 17044330 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 26452646512 in words is "twenty-six billion, four hundred fifty-two million, six hundred forty-six thousand, five hundred twelve".