2726190405 has 32 divisors (see below), whose sum is σ = 4891881600. Its totient is φ = 1440372096.

The previous prime is 2726190373. The next prime is 2726190413. The reversal of 2726190405 is 5040916272.

It is not a de Polignac number, because 2726190405 - 2⁵ = 2726190373 is a prime.

It is a super-2 number, since 2×2726190405² = 14864228248628128050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2726190405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79920 + ... + 108809.

It is an arithmetic number, because the mean of its divisors is an integer number (152871300).

Almost surely, 2^2726190405 is an apocalyptic number.

It is an amenable number.

2726190405 is a deficient number, since it is larger than the sum of its proper divisors (2165691195).

2726190405 is a wasteful number, since it uses less digits than its factorization.

2726190405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188850 (or 188844 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2726190405 is about 52212.9333115848. The cubic root of 2726190405 is about 1396.9645808053.

It can be divided in two parts, 2726 and 190405, that added together give a triangular number (193131 = T₆₂₁).

The spelling of 2726190405 in words is "two billion, seven hundred twenty-six million, one hundred ninety thousand, four hundred five".