440044404440 has 32 divisors (see below), whose sum is σ = 992238396480. Its totient is φ = 175637586432.

The previous prime is 440044404427. The next prime is 440044404461. The reversal of 440044404440 is 44404440044.

It is a junction number, because it is equal to n+sod(n) for n = 440044404397 and 440044404406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11861729 + ... + 11898768.

It is an arithmetic number, because the mean of its divisors is an integer number (31007449890).

Almost surely, 2^440044404440 is an apocalyptic number.

440044404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440044404440 is an abundant number, since it is smaller than the sum of its proper divisors (552193992040).

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

440044404440 is a wasteful number, since it uses less digits than its factorization.

440044404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23760971 (or 23760967 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 440044404440 its reverse (44404440044), we get a palindrome (484448844484).

It can be divided in two parts, 44004 and 4404440, that added together give a palindrome (4448444).

The spelling of 440044404440 in words is "four hundred forty billion, forty-four million, four hundred four thousand, four hundred forty".