1840829305 has 12 divisors (see below), whose sum is σ = 2569647780. Its totient is φ = 1262282784.

The previous prime is 1840829303. The next prime is 1840829327. The reversal of 1840829305 is 5039280481.

It can be written as a sum of positive squares in 2 ways, for example, as 836192889 + 1004636416 = 28917^2 + 31696^2 .

It is not a de Polignac number, because 1840829305 - 2¹ = 1840829303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1840829303) 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 11 ways as a sum of consecutive naturals, for example, 3756550 + ... + 3757039.

It is an arithmetic number, because the mean of its divisors is an integer number (214137315).

Almost surely, 2^1840829305 is an apocalyptic number.

It is an amenable number.

1840829305 is a deficient number, since it is larger than the sum of its proper divisors (728818475).

1840829305 is an equidigital number, since it uses as much as digits as its factorization.

1840829305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513608 (or 7513601 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1840829305 is about 42904.8867263392. The cubic root of 1840829305 is about 1225.5692048617.

The spelling of 1840829305 in words is "one billion, eight hundred forty million, eight hundred twenty-nine thousand, three hundred five".