4440442002440 has 32 divisors (see below), whose sum is σ = 10223343218880. Its totient is φ = 1734870363072.

The previous prime is 4440442002379. The next prime is 4440442002443. The reversal of 4440442002440 is 442002440444.

It is a junction number, because it is equal to n+sod(n) for n = 4440442002397 and 4440442002406.

It is not an unprimeable number, because it can be changed into a prime (4440442002443) 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, 1290824444 + ... + 1290827883.

It is an arithmetic number, because the mean of its divisors is an integer number (319479475590).

Almost surely, 2^{4440442002440} is an apocalyptic number.

4440442002440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440442002440 is an abundant number, since it is smaller than the sum of its proper divisors (5782901216440).

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

4440442002440 is a wasteful number, since it uses less digits than its factorization.

4440442002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581652381 (or 2581652377 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4440442002440 its reverse (442002440444), we get a palindrome (4882444442884).

The spelling of 4440442002440 in words is "four trillion, four hundred forty billion, four hundred forty-two million, two thousand, four hundred forty".