26220532442 has 16 divisors (see below), whose sum is σ = 42538041000. Its totient is φ = 12049842432.

The previous prime is 26220532417. The next prime is 26220532447. The reversal of 26220532442 is 24423502262.

It can be written as a sum of positive squares in 4 ways, for example, as 22704161041 + 3516371401 = 150679^2 + 59299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26220532399 and 26220532408.

It is not an unprimeable number, because it can be changed into a prime (26220532447) 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 in 7 ways as a sum of consecutive naturals, for example, 2158067 + ... + 2170182.

Almost surely, 2^26220532442 is an apocalyptic number.

26220532442 is a deficient number, since it is larger than the sum of its proper divisors (16317508558).

26220532442 is a wasteful number, since it uses less digits than its factorization.

26220532442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328497.

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 26220532442 in words is "twenty-six billion, two hundred twenty million, five hundred thirty-two thousand, four hundred forty-two".