26218439041 has 8 divisors (see below), whose sum is σ = 26325084168. Its totient is φ = 26112000000.

The previous prime is 26218439021. The next prime is 26218439077. The reversal of 26218439041 is 14093481262.

26218439041 = 114495² + 114496².

It can be written as a sum of positive squares in 4 ways, for example, as 10507070016 + 15711369025 = 102504^2 + 125345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(26218439041) divides (26218439041-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 26218439041 - 2¹⁵ = 26218406273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26218438985 and 26218439003.

It is not an unprimeable number, because it can be changed into a prime (26218439021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206041 + ... + 308041.

It is an arithmetic number, because the mean of its divisors is an integer number (3290635521).

Almost surely, 2^26218439041 is an apocalyptic number.

26218439041 is the 114496-th centered square number.

It is an amenable number.

26218439041 is a deficient number, since it is larger than the sum of its proper divisors (106645127).

26218439041 is a wasteful number, since it uses less digits than its factorization.

26218439041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103043.

The product of its (nonzero) digits is 82944, while the sum is 40.

It can be divided in two parts, 2621843 and 9041, that added together give a square (2630884 = 1622²).

The spelling of 26218439041 in words is "twenty-six billion, two hundred eighteen million, four hundred thirty-nine thousand, forty-one".