4440010121320 has 32 divisors (see below), whose sum is σ = 10577671173000. Its totient is φ = 1671533221888.

The previous prime is 4440010121251. The next prime is 4440010121321. The reversal of 4440010121320 is 231210100444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3291807863556 + 1148202257764 = 1814334^2 + 1071542^2 .

It is a super-2 number, since 2×4440010121320² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4440010121291 and 4440010121300.

It is not an unprimeable number, because it can be changed into a prime (4440010121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264712645 + ... + 3264714004.

Almost surely, 2^{4440010121320} is an apocalyptic number.

4440010121320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440010121320 is an abundant number, since it is smaller than the sum of its proper divisors (6137661051680).

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

4440010121320 is a wasteful number, since it uses less digits than its factorization.

4440010121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529426677 (or 6529426673 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 4440010121320 its reverse (231210100444), we get a palindrome (4671220221764).

The spelling of 4440010121320 in words is "four trillion, four hundred forty billion, ten million, one hundred twenty-one thousand, three hundred twenty".