26526457645 has 16 divisors (see below), whose sum is σ = 31962209328. Its totient is φ = 21134269440.

The previous prime is 26526457613. The next prime is 26526457667. The reversal of 26526457645 is 54675462562.

It can be written as a sum of positive squares in 8 ways, for example, as 3586931881 + 22939525764 = 59891^2 + 151458^2 .

It is not a de Polignac number, because 26526457645 - 2⁵ = 26526457613 is a prime.

It is a super-3 number, since 3×26526457645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

Its product of digits (12096000) is a multiple of the sum of its prime divisors (9600).

It is a junction number, because it is equal to n+sod(n) for n = 26526457592 and 26526457601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4236357 + ... + 4242613.

It is an arithmetic number, because the mean of its divisors is an integer number (1997638083).

Almost surely, 2^26526457645 is an apocalyptic number.

It is an amenable number.

26526457645 is a deficient number, since it is larger than the sum of its proper divisors (5435751683).

26526457645 is a wasteful number, since it uses less digits than its factorization.

26526457645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600.

The product of its digits is 12096000, while the sum is 52.

The spelling of 26526457645 in words is "twenty-six billion, five hundred twenty-six million, four hundred fifty-seven thousand, six hundred forty-five".