26844090628 has 12 divisors (see below), whose sum is σ = 47863520460. Its totient is φ = 13168799072.

The previous prime is 26844090619. The next prime is 26844090629. The reversal of 26844090628 is 82609044862.

It can be written as a sum of positive squares in 2 ways, for example, as 23158143684 + 3685946944 = 152178^2 + 60712^2 .

It is not an unprimeable number, because it can be changed into a prime (26844090629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63311323 + ... + 63311746.

It is an arithmetic number, because the mean of its divisors is an integer number (3988626705).

Almost surely, 2^26844090628 is an apocalyptic number.

It is an amenable number.

26844090628 is a deficient number, since it is larger than the sum of its proper divisors (21019429832).

26844090628 is a wasteful number, since it uses less digits than its factorization.

26844090628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126623126 (or 126623124 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 26844090628 in words is "twenty-six billion, eight hundred forty-four million, ninety thousand, six hundred twenty-eight".