26064488025 has 81 divisors (see below), whose sum is σ = 47908014141. Its totient is φ = 13545881280.

The previous prime is 26064488011. The next prime is 26064488063. The reversal of 26064488025 is 52088446062.

The square root of 26064488025 is 161445.

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 3557287449 + 22507200576 = 59643^2 + 150024^2 .

It is not a de Polignac number, because 26064488025 - 2⁵ = 26064487993 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 113818611 + ... + 113818839.

Almost surely, 2^26064488025 is an apocalyptic number.

26064488025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26064488025 is the 161445-th square number.

26064488025 is the 80723-rd centered octagonal number.

It is an amenable number.

26064488025 is a deficient number, since it is larger than the sum of its proper divisors (21843526116).

26064488025 is an equidigital number, since it uses as much as digits as its factorization.

26064488025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

It can be divided in two parts, 26064 and 488025, that added together give a square (514089 = 717²).

The spelling of 26064488025 in words is "twenty-six billion, sixty-four million, four hundred eighty-eight thousand, twenty-five".