26828631776544 has 96 divisors (see below), whose sum is σ = 75849625938240. Its totient is φ = 8254185649152.

The previous prime is 26828631776533. The next prime is 26828631776587. The reversal of 26828631776544 is 44567713682862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12304762 + ... + 14320070.

It is an arithmetic number, because the mean of its divisors is an integer number (790100270190).

Almost surely, 2^{26828631776544} is an apocalyptic number.

26828631776544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26828631776544 is an abundant number, since it is smaller than the sum of its proper divisors (49020994161696).

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

26828631776544 is a wasteful number, since it uses less digits than its factorization.

26828631776544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026002 (or 2025994 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 69.

The spelling of 26828631776544 in words is "twenty-six trillion, eight hundred twenty-eight billion, six hundred thirty-one million, seven hundred seventy-six thousand, five hundred forty-four".