4042402004440 has 64 divisors (see below), whose sum is σ = 9318838052160. Its totient is φ = 1577252782080.

The previous prime is 4042402004387. The next prime is 4042402004453. The reversal of 4042402004440 is 444002042404.

It is a junction number, because it is equal to n+sod(n) for n = 4042402004399 and 4042402004408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9512344 + ... + 9928216.

It is an arithmetic number, because the mean of its divisors is an integer number (145606844565).

Almost surely, 2^{4042402004440} is an apocalyptic number.

4042402004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4042402004440 is an abundant number, since it is smaller than the sum of its proper divisors (5276436047720).

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

4042402004440 is a wasteful number, since it uses less digits than its factorization.

4042402004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421852 (or 421848 counting only the distinct ones).

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

Adding to 4042402004440 its reverse (444002042404), we get a palindrome (4486404046844).

The spelling of 4042402004440 in words is "four trillion, forty-two billion, four hundred two million, four thousand, four hundred forty".