1808040995 has 8 divisors (see below), whose sum is σ = 2220106416. Its totient is φ = 1412794656.

The previous prime is 1808040973. The next prime is 1808041013. The reversal of 1808040995 is 5990408081.

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

It is a cyclic number.

It is not a de Polignac number, because 1808040995 - 2¹⁰ = 1808039971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204532 + ... + 4204961.

It is an arithmetic number, because the mean of its divisors is an integer number (277513302).

Almost surely, 2^1808040995 is an apocalyptic number.

1808040995 is a deficient number, since it is larger than the sum of its proper divisors (412065421).

1808040995 is an equidigital number, since it uses as much as digits as its factorization.

1808040995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409541.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 1808040995 is about 42521.0653088560. The cubic root of 1808040995 is about 1218.2490772629.

The spelling of 1808040995 in words is "one billion, eight hundred eight million, forty thousand, nine hundred ninety-five".