44004022656 has 128 divisors (see below), whose sum is σ = 127646064000. Its totient is φ = 13320499200.

The previous prime is 44004022651. The next prime is 44004022661. The reversal of 44004022656 is 65622040044.

It is an interprime number because it is at equal distance from previous prime (44004022651) and next prime (44004022661).

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×44004022656² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004022651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426011 + ... + 4435941.

It is an arithmetic number, because the mean of its divisors is an integer number (997234875).

Almost surely, 2^44004022656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44004022656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63823032000).

44004022656 is an abundant number, since it is smaller than the sum of its proper divisors (83642041344).

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

44004022656 is a wasteful number, since it uses less digits than its factorization.

44004022656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008 (or 10996 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 44004022656 in words is "forty-four billion, four million, twenty-two thousand, six hundred fifty-six".