330140811 has 32 divisors (see below), whose sum is σ = 591026688. Its totient is φ = 158307840.

The previous prime is 330140803. The next prime is 330140849. The reversal of 330140811 is 118041033.

It is not a de Polignac number, because 330140811 - 2³ = 330140803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (330140851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51966 + ... + 57971.

It is an arithmetic number, because the mean of its divisors is an integer number (18469584).

Almost surely, 2^330140811 is an apocalyptic number.

330140811 is a deficient number, since it is larger than the sum of its proper divisors (260885877).

330140811 is a wasteful number, since it uses less digits than its factorization.

330140811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109971.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 330140811 is about 18169.7774064516. Note that the first 3 decimals coincide. The cubic root of 330140811 is about 691.1405982775.

Adding to 330140811 its reverse (118041033), we get a palindrome (448181844).

It can be divided in two parts, 330 and 140811, that added together give a palindrome (141141).

The spelling of 330140811 in words is "three hundred thirty million, one hundred forty thousand, eight hundred eleven".