44423120402320 has 160 divisors (see below), whose sum is σ = 115428862080000. Its totient is φ = 15758834688000.

The previous prime is 44423120402273. The next prime is 44423120402363. The reversal of 44423120402320 is 2320402132444.

It is a super-2 number, since 2×44423120402320² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740367681 + ... + 740427679.

It is an arithmetic number, because the mean of its divisors is an integer number (721430388000).

Almost surely, 2^{44423120402320} is an apocalyptic number.

44423120402320 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 44423120402320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57714431040000).

44423120402320 is an abundant number, since it is smaller than the sum of its proper divisors (71005741677680).

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

44423120402320 is a wasteful number, since it uses less digits than its factorization.

44423120402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80585 (or 80579 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 44423120402320 its reverse (2320402132444), we get a palindrome (46743522534764).

The spelling of 44423120402320 in words is "forty-four trillion, four hundred twenty-three billion, one hundred twenty million, four hundred two thousand, three hundred twenty".