4402640462044 has 144 divisors (see below), whose sum is σ = 8850683270016. Its totient is φ = 1913155200000.

The previous prime is 4402640462023. The next prime is 4402640462047.

It is a happy number.

4402640462044 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4402640461988 and 4402640462006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402640462047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328034454 + ... + 328047874.

It is an arithmetic number, because the mean of its divisors is an integer number (61463078264).

Almost surely, 2^{4402640462044} is an apocalyptic number.

4402640462044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4402640462044 is an abundant number, since it is smaller than the sum of its proper divisors (4448042807972).

4402640462044 is a wasteful number, since it uses less digits than its factorization.

4402640462044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820 (or 13807 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

It can be divided in two parts, 4402640 and 462044, that added together give a palindrome (4864684).

The spelling of 4402640462044 in words is "four trillion, four hundred two billion, six hundred forty million, four hundred sixty-two thousand, forty-four".