4440440484440 has 32 divisors (see below), whose sum is σ = 9997131980880. Its totient is φ = 1775084479872.

The previous prime is 4440440484439. The next prime is 4440440484479. The reversal of 4440440484440 is 444840440444.

It is a happy number.

It is a super-2 number, since 2×4440440484440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4440440484391 and 4440440484400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34050167 + ... + 34180326.

Almost surely, 2^{4440440484440} is an apocalyptic number.

4440440484440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440440484440 is an abundant number, since it is smaller than the sum of its proper divisors (5556691496440).

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

4440440484440 is a wasteful number, since it uses less digits than its factorization.

4440440484440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68232131 (or 68232127 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

The spelling of 4440440484440 in words is "four trillion, four hundred forty billion, four hundred forty million, four hundred eighty-four thousand, four hundred forty".