26426403844 has 9 divisors (see below), whose sum is σ = 46246775701. Its totient is φ = 13213039360.

The previous prime is 26426403803. The next prime is 26426403901. The reversal of 26426403844 is 44830462462.

The square root of 26426403844 is 162562.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25619843844 + 806560000 = 160062^2 + 28400^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26426403844.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 284484 + ... + 365764.

Almost surely, 2^26426403844 is an apocalyptic number.

26426403844 is the 162562-nd square number.

It is an amenable number.

26426403844 is a deficient number, since it is larger than the sum of its proper divisors (19820371857).

26426403844 is an frugal number, since it uses more digits than its factorization.

26426403844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162566 (or 81283 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 26426403844 in words is "twenty-six billion, four hundred twenty-six million, four hundred three thousand, eight hundred forty-four".