26791623044 has 6 divisors (see below), whose sum is σ = 46885340334. Its totient is φ = 13395811520.

The previous prime is 26791623041. The next prime is 26791623073. The reversal of 26791623044 is 44032619762.

It can be written as a sum of positive squares in only one way, i.e., 26402350144 + 389272900 = 162488^2 + 19730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26791622986 and 26791623004.

It is not an unprimeable number, because it can be changed into a prime (26791623041) by changing a digit.

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 as a sum of consecutive naturals, namely, 3348952877 + ... + 3348952884.

It is an arithmetic number, because the mean of its divisors is an integer number (7814223389).

Almost surely, 2^26791623044 is an apocalyptic number.

It is an amenable number.

26791623044 is a deficient number, since it is larger than the sum of its proper divisors (20093717290).

26791623044 is a wasteful number, since it uses less digits than its factorization.

26791623044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697905765 (or 6697905763 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 26791623044 in words is "twenty-six billion, seven hundred ninety-one million, six hundred twenty-three thousand, forty-four".