440421334 has 8 divisors (see below), whose sum is σ = 660778920. Its totient is φ = 220161696.

The previous prime is 440421301. The next prime is 440421353. The reversal of 440421334 is 433124044.

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 = 440421299 and 440421308.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11964 + ... + 31999.

It is an arithmetic number, because the mean of its divisors is an integer number (82597365).

Almost surely, 2^440421334 is an apocalyptic number.

440421334 is a deficient number, since it is larger than the sum of its proper divisors (220357586).

440421334 is a wasteful number, since it uses less digits than its factorization.

440421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48974.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 440421334 is about 20986.2177154436. The cubic root of 440421334 is about 760.8331894247.

Adding to 440421334 its reverse (433124044), we get a palindrome (873545378).

The spelling of 440421334 in words is "four hundred forty million, four hundred twenty-one thousand, three hundred thirty-four".