1805041326 has 16 divisors (see below), whose sum is σ = 3938272128. Its totient is φ = 546982200.

The previous prime is 1805041313. The next prime is 1805041327. The reversal of 1805041326 is 6231405081.

It is a junction number, because it is equal to n+sod(n) for n = 1805041293 and 1805041302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1805041327) 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, 13674490 + ... + 13674621.

It is an arithmetic number, because the mean of its divisors is an integer number (246142008).

Almost surely, 2^1805041326 is an apocalyptic number.

1805041326 is an abundant number, since it is smaller than the sum of its proper divisors (2133230802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1805041326 is a wasteful number, since it uses less digits than its factorization.

1805041326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27349127.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1805041326 is about 42485.7779262661. Note that the first 3 decimals coincide. The cubic root of 1805041326 is about 1217.5749836251.

The spelling of 1805041326 in words is "one billion, eight hundred five million, forty-one thousand, three hundred twenty-six".