440332030 has 32 divisors (see below), whose sum is σ = 835984800. Its totient is φ = 166528512.

The previous prime is 440332019. The next prime is 440332031. The reversal of 440332030 is 30233044.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 440331989 and 440332007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440332031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106074 + ... + 110146.

It is an arithmetic number, because the mean of its divisors is an integer number (26124525).

Almost surely, 2^440332030 is an apocalyptic number.

440332030 is a deficient number, since it is larger than the sum of its proper divisors (395652770).

440332030 is a wasteful number, since it uses less digits than its factorization.

440332030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4668.

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

The square root of 440332030 is about 20984.0899254650. The cubic root of 440332030 is about 760.7817613679.

Adding to 440332030 its reverse (30233044), we get a palindrome (470565074).

The spelling of 440332030 in words is "four hundred forty million, three hundred thirty-two thousand, thirty".