26402662205 has 16 divisors (see below), whose sum is σ = 33954263424. Its totient is φ = 19657725120.

The previous prime is 26402662201. The next prime is 26402662207. The reversal of 26402662205 is 50226620462.

It is not a de Polignac number, because 26402662205 - 2² = 26402662201 is a prime.

It is a super-2 number, since 2×26402662205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26402662201) 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 in 15 ways as a sum of consecutive naturals, for example, 3098291 + ... + 3106800.

It is an arithmetic number, because the mean of its divisors is an integer number (2122141464).

Almost surely, 2^26402662205 is an apocalyptic number.

It is an amenable number.

26402662205 is a deficient number, since it is larger than the sum of its proper divisors (7551601219).

26402662205 is a wasteful number, since it uses less digits than its factorization.

26402662205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205156.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 26402662205 in words is "twenty-six billion, four hundred two million, six hundred sixty-two thousand, two hundred five".