26030050290 has 24 divisors (see below), whose sum is σ = 67678130988. Its totient is φ = 6941346720.

The previous prime is 26030050243. The next prime is 26030050303. The reversal of 26030050290 is 9205003062.

26030050290 is a `hidden beast` number, since 2 + 603 + 0 + 0 + 50 + 2 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22936799601 + 3093250689 = 151449^2 + 55617^2 .

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 11 ways as a sum of consecutive naturals, for example, 144611301 + ... + 144611480.

Almost surely, 2^26030050290 is an apocalyptic number.

26030050290 is an abundant number, since it is smaller than the sum of its proper divisors (41648080698).

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

26030050290 is a wasteful number, since it uses less digits than its factorization.

26030050290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289222794 (or 289222791 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 26030050290 in words is "twenty-six billion, thirty million, fifty thousand, two hundred ninety".