440014430444 has 12 divisors (see below), whose sum is σ = 771945518568. Its totient is φ = 219458568000.

The previous prime is 440014430437. The next prime is 440014430461. The reversal of 440014430444 is 444034410044.

It is a super-2 number, since 2×440014430444² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 440014430444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137160002 + ... + 137163209.

It is an arithmetic number, because the mean of its divisors is an integer number (64328793214).

Almost surely, 2^440014430444 is an apocalyptic number.

It is an amenable number.

440014430444 is a deficient number, since it is larger than the sum of its proper divisors (331931088124).

440014430444 is a wasteful number, since it uses less digits than its factorization.

440014430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274323616 (or 274323614 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 440014430444 its reverse (444034410044), we get a palindrome (884048840488).

The spelling of 440014430444 in words is "four hundred forty billion, fourteen million, four hundred thirty thousand, four hundred forty-four".