26059644900 has 81 divisors (see below), whose sum is σ = 81697691803. Its totient is φ = 6947947200.

The previous prime is 26059644839. The next prime is 26059644907. The reversal of 26059644900 is 944695062.

The square root of 26059644900 is 161430.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2584502244 + 23475142656 = 50838^2 + 153216^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26059644907) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 4840210 + ... + 4845590.

Almost surely, 2^26059644900 is an apocalyptic number.

26059644900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

26059644900 is the 161430-th square number.

It is an amenable number.

26059644900 is an abundant number, since it is smaller than the sum of its proper divisors (55638046903).

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

26059644900 is an equidigital number, since it uses as much as digits as its factorization.

26059644900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 26059644900 in words is "twenty-six billion, fifty-nine million, six hundred forty-four thousand, nine hundred".