44320123220040 has 96 divisors (see below), whose sum is σ = 144041382838080. Its totient is φ = 11818618920576.

The previous prime is 44320123219991. The next prime is 44320123220063. The reversal of 44320123220040 is 4002232102344.

44320123220040 is a `hidden beast` number, since 4 + 4 + 320 + 12 + 322 + 0 + 0 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 44320123219986 and 44320123220013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67825357 + ... + 68475683.

It is an arithmetic number, because the mean of its divisors is an integer number (1500431071230).

Almost surely, 2^{44320123220040} is an apocalyptic number.

44320123220040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44320123220040 is an abundant number, since it is smaller than the sum of its proper divisors (99721259618040).

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

44320123220040 is a wasteful number, since it uses less digits than its factorization.

44320123220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839651 (or 839644 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 44320123220040 its reverse (4002232102344), we get a palindrome (48322355322384).

The spelling of 44320123220040 in words is "forty-four trillion, three hundred twenty billion, one hundred twenty-three million, two hundred twenty thousand, forty".