40443232330 has 16 divisors (see below), whose sum is σ = 72802846080. Its totient is φ = 16176175632.

The previous prime is 40443232327. The next prime is 40443232337. The reversal of 40443232330 is 3323234404.

It is not an unprimeable number, because it can be changed into a prime (40443232337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21187 + ... + 285193.

It is an arithmetic number, because the mean of its divisors is an integer number (4550177880).

Almost surely, 2^40443232330 is an apocalyptic number.

40443232330 is a deficient number, since it is larger than the sum of its proper divisors (32359613750).

40443232330 is a wasteful number, since it uses less digits than its factorization.

40443232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279333.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40443232330 its reverse (3323234404), we get a palindrome (43766466734).

The spelling of 40443232330 in words is "forty billion, four hundred forty-three million, two hundred thirty-two thousand, three hundred thirty".