26620012322 has 18 divisors (see below), whose sum is σ = 40895461467. Its totient is φ = 12995625636.

The previous prime is 26620012303. The next prime is 26620012381. The reversal of 26620012322 is 22321002662.

It can be written as a sum of positive squares in only one way, i.e., 13310006161 + 13310006161 = 115369^2 + 115369^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=115369.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26620012291 and 26620012300.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9920393 + ... + 9923075.

Almost surely, 2^26620012322 is an apocalyptic number.

26620012322 is a deficient number, since it is larger than the sum of its proper divisors (14275449145).

26620012322 is an frugal number, since it uses more digits than its factorization.

26620012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 2728 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 26620012322 its reverse (22321002662), we get a palindrome (48941014984).

The spelling of 26620012322 in words is "twenty-six billion, six hundred twenty million, twelve thousand, three hundred twenty-two".