44071540821056 has 56 divisors (see below), whose sum is σ = 99950049284160. Its totient is φ = 18887408128512.

The previous prime is 44071540820981. The next prime is 44071540821071. The reversal of 44071540821056 is 65012804517044.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×44071540821056² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44071540821056.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20935535 + ... + 22944273.

Almost surely, 2^{44071540821056} is an apocalyptic number.

It is an amenable number.

44071540821056 is an abundant number, since it is smaller than the sum of its proper divisors (55878508463104).

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

44071540821056 is a wasteful number, since it uses less digits than its factorization.

44071540821056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057731 (or 2057721 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 44071540821056 in words is "forty-four trillion, seventy-one billion, five hundred forty million, eight hundred twenty-one thousand, fifty-six".