4023304002440 has 128 divisors (see below), whose sum is σ = 9633344256000. Its totient is φ = 1507016060928.

The previous prime is 4023304002397. The next prime is 4023304002463. The reversal of 4023304002440 is 442004033204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199727009 + ... + 199747151.

It is an arithmetic number, because the mean of its divisors is an integer number (75260502000).

Almost surely, 2^{4023304002440} is an apocalyptic number.

4023304002440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023304002440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4816672128000).

4023304002440 is an abundant number, since it is smaller than the sum of its proper divisors (5610040253560).

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

4023304002440 is a wasteful number, since it uses less digits than its factorization.

4023304002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639 (or 21635 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 4023304002440 its reverse (442004033204), we get a palindrome (4465308035644).

The spelling of 4023304002440 in words is "four trillion, twenty-three billion, three hundred four million, two thousand, four hundred forty".