26122122450 has 162 divisors, whose sum is σ = 74254776687. Its totient is φ = 6582816000.

The previous prime is 26122122443. The next prime is 26122122479. The reversal of 26122122450 is 5422122162.

26122122450 is a `hidden beast` number, since 2 + 612 + 2 + 1 + 2 + 2 + 45 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 24624200241 + 1497922209 = 156921^2 + 38703^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=114285.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 65142250 + ... + 65142650.

Almost surely, 2^26122122450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26122122450

26122122450 is an abundant number, since it is smaller than the sum of its proper divisors (48132654237).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26122122450 is a wasteful number, since it uses less digits than its factorization.

26122122450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 26122122450 in words is "twenty-six billion, one hundred twenty-two million, one hundred twenty-two thousand, four hundred fifty".