4321444240440 has 96 divisors (see below), whose sum is σ = 14048536460400. Its totient is φ = 1152069834240.

The previous prime is 4321444240403. The next prime is 4321444240459. The reversal of 4321444240440 is 440424441234.

It is a happy number.

4321444240440 is a `hidden beast` number, since 4 + 32 + 144 + 4 + 2 + 40 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4321444240395 and 4321444240404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323101 + ... + 2957580.

Almost surely, 2^{4321444240440} is an apocalyptic number.

4321444240440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321444240440 is an abundant number, since it is smaller than the sum of its proper divisors (9727092219960).

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

4321444240440 is a wasteful number, since it uses less digits than its factorization.

4321444240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284357 (or 3284350 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4321444240440 its reverse (440424441234), we get a palindrome (4761868681674).

The spelling of 4321444240440 in words is "four trillion, three hundred twenty-one billion, four hundred forty-four million, two hundred forty thousand, four hundred forty".