4036044333640 has 128 divisors (see below), whose sum is σ = 10235739467520. Its totient is φ = 1419679206400.

The previous prime is 4036044333611. The next prime is 4036044333641. The reversal of 4036044333640 is 463334406304.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 4036044333593 and 4036044333602.

It is not an unprimeable number, because it can be changed into a prime (4036044333641) by changing a digit.

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, 436902 + ... + 2874538.

It is an arithmetic number, because the mean of its divisors is an integer number (79966714590).

Almost surely, 2^{4036044333640} is an apocalyptic number.

4036044333640 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 4036044333640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5117869733760).

4036044333640 is an abundant number, since it is smaller than the sum of its proper divisors (6199695133880).

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

4036044333640 is a wasteful number, since it uses less digits than its factorization.

4036044333640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437783 (or 2437779 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 4036044333640 its reverse (463334406304), we get a palindrome (4499378739944).

The spelling of 4036044333640 in words is "four trillion, thirty-six billion, forty-four million, three hundred thirty-three thousand, six hundred forty".