26646240652 has 24 divisors (see below), whose sum is σ = 47254561200. Its totient is φ = 13145358336.

The previous prime is 26646240631. The next prime is 26646240671. The reversal of 26646240652 is 25604264662.

It is a junction number, because it is equal to n+sod(n) for n = 26646240599 and 26646240608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203124 + ... + 307492.

It is an arithmetic number, because the mean of its divisors is an integer number (1968940050).

Almost surely, 2^26646240652 is an apocalyptic number.

It is an amenable number.

26646240652 is a deficient number, since it is larger than the sum of its proper divisors (20608320548).

26646240652 is a wasteful number, since it uses less digits than its factorization.

26646240652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105225 (or 105223 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 26646240652 in words is "twenty-six billion, six hundred forty-six million, two hundred forty thousand, six hundred fifty-two".