26322563648 has 14 divisors (see below), whose sum is σ = 52233837366. Its totient is φ = 13161281792.

The previous prime is 26322563623. The next prime is 26322563671. The reversal of 26322563648 is 84636522362.

It can be written as a sum of positive squares in only one way, i.e., 13973131264 + 12349432384 = 118208^2 + 111128^2 .

It is a super-2 number, since 2×26322563648² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205644965 + ... + 205645092.

Almost surely, 2^26322563648 is an apocalyptic number.

It is an amenable number.

26322563648 is a deficient number, since it is larger than the sum of its proper divisors (25911273718).

26322563648 is an equidigital number, since it uses as much as digits as its factorization.

26322563648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411290069 (or 411290059 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The spelling of 26322563648 in words is "twenty-six billion, three hundred twenty-two million, five hundred sixty-three thousand, six hundred forty-eight".