26206243064 has 8 divisors (see below), whose sum is σ = 49136705760. Its totient is φ = 13103121528.

The previous prime is 26206243057. The next prime is 26206243103. The reversal of 26206243064 is 46034260262.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637890184 + ... + 1637890199.

It is an arithmetic number, because the mean of its divisors is an integer number (6142088220).

Almost surely, 2^26206243064 is an apocalyptic number.

It is an amenable number.

26206243064 is a deficient number, since it is larger than the sum of its proper divisors (22930462696).

26206243064 is a wasteful number, since it uses less digits than its factorization.

26206243064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275780389 (or 3275780385 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 26206243064 in words is "twenty-six billion, two hundred six million, two hundred forty-three thousand, sixty-four".