4404234215440 has 40 divisors (see below), whose sum is σ = 10592942644440. Its totient is φ = 1700945627136.

The previous prime is 4404234215377. The next prime is 4404234215441. The reversal of 4404234215440 is 445124324044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 760579340544 + 3643654874896 = 872112^2 + 1908836^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 4404234215440.

It is not an unprimeable number, because it can be changed into a prime (4404234215441) 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, 949186089 + ... + 949190728.

It is an arithmetic number, because the mean of its divisors is an integer number (264823566111).

Almost surely, 2^{4404234215440} is an apocalyptic number.

4404234215440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404234215440 is an abundant number, since it is smaller than the sum of its proper divisors (6188708429000).

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

4404234215440 is a wasteful number, since it uses less digits than its factorization.

4404234215440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898376859 (or 1898376853 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 4404234215440 its reverse (445124324044), we get a palindrome (4849358539484).

The spelling of 4404234215440 in words is "four trillion, four hundred four billion, two hundred thirty-four million, two hundred fifteen thousand, four hundred forty".