26604042602 has 4 divisors (see below), whose sum is σ = 39906063906. Its totient is φ = 13302021300.

The previous prime is 26604042601. The next prime is 26604042617. The reversal of 26604042602 is 20624040662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25654108561 + 949934041 = 160169^2 + 30821^2 .

It is not an unprimeable number, because it can be changed into a prime (26604042601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651010649 + ... + 6651010652.

Almost surely, 2^26604042602 is an apocalyptic number.

26604042602 is a deficient number, since it is larger than the sum of its proper divisors (13302021304).

26604042602 is a wasteful number, since it uses less digits than its factorization.

26604042602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302021303.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 26604042602 in words is "twenty-six billion, six hundred four million, forty-two thousand, six hundred two".