44005346721856 has 56 divisors (see below), whose sum is σ = 99572052951000. Its totient is φ = 19115444723712.

The previous prime is 44005346721823. The next prime is 44005346721859. The reversal of 44005346721856 is 65812764350044.

It can be written as a sum of positive squares in 4 ways, for example, as 7176955272256 + 36828391449600 = 2678984^2 + 6068640^2 .

It is a super-2 number, since 2×44005346721856² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44005346721797 and 44005346721806.

It is not an unprimeable number, because it can be changed into a prime (44005346721859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555604731 + ... + 1555633018.

It is an arithmetic number, because the mean of its divisors is an integer number (1778072374125).

Almost surely, 2^{44005346721856} is an apocalyptic number.

It is an amenable number.

44005346721856 is an abundant number, since it is smaller than the sum of its proper divisors (55566706229144).

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

44005346721856 is a wasteful number, since it uses less digits than its factorization.

44005346721856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111237791 (or 3111237781 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 44005346721856 in words is "forty-four trillion, five billion, three hundred forty-six million, seven hundred twenty-one thousand, eight hundred fifty-six".