26020436445 has 24 divisors (see below), whose sum is σ = 47475885600. Its totient is φ = 13147167456.

The previous prime is 26020436423. The next prime is 26020436461. The reversal of 26020436445 is 54463402062.

26020436445 is a `hidden beast` number, since 2 + 6 + 0 + 2 + 0 + 4 + 3 + 644 + 5 = 666.

It is not a de Polignac number, because 26020436445 - 2⁵ = 26020436413 is a prime.

It is a super-2 number, since 2×26020436445² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 15215775 + ... + 15217484.

It is an arithmetic number, because the mean of its divisors is an integer number (1978161900).

Almost surely, 2^26020436445 is an apocalyptic number.

It is an amenable number.

26020436445 is a deficient number, since it is larger than the sum of its proper divisors (21455449155).

26020436445 is a wasteful number, since it uses less digits than its factorization.

26020436445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30433289 (or 30433286 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 26020436445 in words is "twenty-six billion, twenty million, four hundred thirty-six thousand, four hundred forty-five".