40432330 has 8 divisors (see below), whose sum is σ = 72778212. Its totient is φ = 16172928.

The previous prime is 40432319. The next prime is 40432333. The reversal of 40432330 is 3323404.

40432330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39803481 + 628849 = 6309^2 + 793^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 40432298 and 40432307.

It is not an unprimeable number, because it can be changed into a prime (40432333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2021607 + ... + 2021626.

Almost surely, 2^40432330 is an apocalyptic number.

40432330 is a deficient number, since it is larger than the sum of its proper divisors (32345882).

40432330 is a wasteful number, since it uses less digits than its factorization.

40432330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043240.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40432330 is about 6358.6421506482. The cubic root of 40432330 is about 343.2228999360. Note that the first 3 decimals are identical.

Adding to 40432330 its reverse (3323404), we get a palindrome (43755734).

The spelling of 40432330 in words is "forty million, four hundred thirty-two thousand, three hundred thirty".