440043330 has 32 divisors (see below), whose sum is σ = 1062440064. Its totient is φ = 116640896.

The previous prime is 440043293. The next prime is 440043353. The reversal of 440043330 is 33340044.

It is a junction number, because it is equal to n+sod(n) for n = 440043297 and 440043306.

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 15 ways as a sum of consecutive naturals, for example, 38907 + ... + 48926.

It is an arithmetic number, because the mean of its divisors is an integer number (33201252).

Almost surely, 2^440043330 is an apocalyptic number.

440043330 is an abundant number, since it is smaller than the sum of its proper divisors (622396734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440043330 is a wasteful number, since it uses less digits than its factorization.

440043330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88010.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 440043330 is about 20977.2097763263. The cubic root of 440043330 is about 760.6154582919.

Adding to 440043330 its reverse (33340044), we get a palindrome (473383374).

The spelling of 440043330 in words is "four hundred forty million, forty-three thousand, three hundred thirty".