4440424020040 has 32 divisors (see below), whose sum is σ = 9995942220480. Its totient is φ = 1775282821312.

The previous prime is 4440424019987. The next prime is 4440424020041. The reversal of 4440424020040 is 400204240444.

It is a junction number, because it is equal to n+sod(n) for n = 4440424019990 and 4440424020008.

It is not an unprimeable number, because it can be changed into a prime (4440424020041) 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, 27630964 + ... + 27791203.

It is an arithmetic number, because the mean of its divisors is an integer number (312373194390).

Almost surely, 2^{4440424020040} is an apocalyptic number.

4440424020040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440424020040 is an abundant number, since it is smaller than the sum of its proper divisors (5555518200440).

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

4440424020040 is a wasteful number, since it uses less digits than its factorization.

4440424020040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55424181 (or 55424177 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4440424020040 its reverse (400204240444), we get a palindrome (4840628260484).

The spelling of 4440424020040 in words is "four trillion, four hundred forty billion, four hundred twenty-four million, twenty thousand, forty".