440244424004 has 24 divisors (see below), whose sum is σ = 960533289408. Its totient is φ = 171523801440.

The previous prime is 440244424001. The next prime is 440244424057. The reversal of 440244424004 is 400424442044.

It is a super-2 number, since 2×440244424004² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440244424001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714682199 + ... + 714682814.

It is an arithmetic number, because the mean of its divisors is an integer number (40022220392).

Almost surely, 2^440244424004 is an apocalyptic number.

440244424004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440244424004 is an abundant number, since it is smaller than the sum of its proper divisors (520288865404).

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

440244424004 is a wasteful number, since it uses less digits than its factorization.

440244424004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429365035 (or 1429365033 counting only the distinct ones).

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

Adding to 440244424004 its reverse (400424442044), we get a palindrome (840668866048).

The spelling of 440244424004 in words is "four hundred forty billion, two hundred forty-four million, four hundred twenty-four thousand, four".