210026057796 has 81 divisors (see below), whose sum is σ = 564091136791. Its totient is φ = 65875862784.

The previous prime is 210026057777. The next prime is 210026057833. The reversal of 210026057796 is 697750620012.

The square root of 210026057796 is 458286.

It is a perfect power (a square), and thus also a powerful number.

210026057796 is a `hidden beast` number, since 2 + 10 + 0 + 2 + 60 + 577 + 9 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 152713697796 + 57312360000 = 390786^2 + 239400^2 .

It is a super-2 number, since 2×210026057796² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46742926 + ... + 46747418.

Almost surely, 2^210026057796 is an apocalyptic number.

210026057796 is the 458286-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210026057796

210026057796 is an abundant number, since it is smaller than the sum of its proper divisors (354065078995).

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

210026057796 is an equidigital number, since it uses as much as digits as its factorization.

210026057796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 210026057796 in words is "two hundred ten billion, twenty-six million, fifty-seven thousand, seven hundred ninety-six".