26404210652 has 12 divisors (see below), whose sum is σ = 47190504480. Its totient is φ = 12921209376.

The previous prime is 26404210649. The next prime is 26404210663. The reversal of 26404210652 is 25601240462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70223777 + ... + 70224152.

It is an arithmetic number, because the mean of its divisors is an integer number (3932542040).

Almost surely, 2^26404210652 is an apocalyptic number.

It is an amenable number.

26404210652 is a deficient number, since it is larger than the sum of its proper divisors (20786293828).

26404210652 is a wasteful number, since it uses less digits than its factorization.

26404210652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140447980 (or 140447978 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 26404210652 in words is "twenty-six billion, four hundred four million, two hundred ten thousand, six hundred fifty-two".