26403269450 has 12 divisors (see below), whose sum is σ = 49110081270. Its totient is φ = 10561307760.

The previous prime is 26403269423. The next prime is 26403269467. The reversal of 26403269450 is 5496230462.

It can be written as a sum of positive squares in 3 ways, for example, as 18284718841 + 8118550609 = 135221^2 + 90103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26403269398 and 26403269407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264032645 + ... + 264032744.

Almost surely, 2^26403269450 is an apocalyptic number.

26403269450 is a deficient number, since it is larger than the sum of its proper divisors (22706811820).

26403269450 is a wasteful number, since it uses less digits than its factorization.

26403269450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528065401 (or 528065396 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 26403269450 in words is "twenty-six billion, four hundred three million, two hundred sixty-nine thousand, four hundred fifty".