26102628645 has 16 divisors (see below), whose sum is σ = 42448866432. Its totient is φ = 13693181760.

The previous prime is 26102628611. The next prime is 26102628661. The reversal of 26102628645 is 54682620162.

It is a happy number.

It is not a de Polignac number, because 26102628645 - 2¹¹ = 26102626597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26102628597 and 26102628606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14262817 + ... + 14264646.

It is an arithmetic number, because the mean of its divisors is an integer number (2653054152).

Almost surely, 2^26102628645 is an apocalyptic number.

It is an amenable number.

26102628645 is a deficient number, since it is larger than the sum of its proper divisors (16346237787).

26102628645 is a wasteful number, since it uses less digits than its factorization.

26102628645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28527532.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 26102628645 in words is "twenty-six billion, one hundred two million, six hundred twenty-eight thousand, six hundred forty-five".