26642750655 has 32 divisors (see below), whose sum is σ = 43366752000. Its totient is φ = 13963526912.

The previous prime is 26642750609. The next prime is 26642750657. The reversal of 26642750655 is 55605724662.

It is a cyclic number.

It is not a de Polignac number, because 26642750655 - 2⁷ = 26642750527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26642750657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4552171 + ... + 4558019.

It is an arithmetic number, because the mean of its divisors is an integer number (1355211000).

Almost surely, 2^26642750655 is an apocalyptic number.

26642750655 is a deficient number, since it is larger than the sum of its proper divisors (16724001345).

26642750655 is a wasteful number, since it uses less digits than its factorization.

26642750655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 26642750655 in words is "twenty-six billion, six hundred forty-two million, seven hundred fifty thousand, six hundred fifty-five".