440141420444 has 96 divisors (see below), whose sum is σ = 861198331392. Its totient is φ = 195148800000.

The previous prime is 440141420437. The next prime is 440141420473. The reversal of 440141420444 is 444024141044.

It is a self number, because there is not a number n which added to its sum of digits gives 440141420444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157135844 + ... + 157138644.

It is an arithmetic number, because the mean of its divisors is an integer number (8970815952).

Almost surely, 2^440141420444 is an apocalyptic number.

440141420444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440141420444 is a deficient number, since it is larger than the sum of its proper divisors (421056910948).

440141420444 is a wasteful number, since it uses less digits than its factorization.

440141420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 440141420444 its reverse (444024141044), we get a palindrome (884165561488).

The spelling of 440141420444 in words is "four hundred forty billion, one hundred forty-one million, four hundred twenty thousand, four hundred forty-four".