4044322615640 has 128 divisors (see below), whose sum is σ = 9392622624000. Its totient is φ = 1566473146368.

The previous prime is 4044322615609. The next prime is 4044322615649. The reversal of 4044322615640 is 465162234404.

4044322615640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044322615649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738416582 + ... + 738422058.

It is an arithmetic number, because the mean of its divisors is an integer number (73379864250).

Almost surely, 2^{4044322615640} is an apocalyptic number.

4044322615640 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 4044322615640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4696311312000).

4044322615640 is an abundant number, since it is smaller than the sum of its proper divisors (5348300008360).

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

4044322615640 is a wasteful number, since it uses less digits than its factorization.

4044322615640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029 (or 10025 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 4044322615640 in words is "four trillion, forty-four billion, three hundred twenty-two million, six hundred fifteen thousand, six hundred forty".