40330369 has 16 divisors (see below), whose sum is σ = 43590400. Its totient is φ = 37200384.

The previous prime is 40330357. The next prime is 40330373. The reversal of 40330369 is 96303304.

It is a cyclic number.

It is not a de Polignac number, because 40330369 - 2⁵ = 40330337 is a prime.

It is a super-2 number, since 2×40330369² = 3253077327352322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40330379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145459 + ... + 145735.

It is an arithmetic number, because the mean of its divisors is an integer number (2724400).

Almost surely, 2^40330369 is an apocalyptic number.

It is an amenable number.

40330369 is a deficient number, since it is larger than the sum of its proper divisors (3260031).

40330369 is a wasteful number, since it uses less digits than its factorization.

40330369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 40330369 is about 6350.6195760729. The cubic root of 40330369 is about 342.9341474441.

The spelling of 40330369 in words is "forty million, three hundred thirty thousand, three hundred sixty-nine".