44012221044 has 144 divisors (see below), whose sum is σ = 118147921920. Its totient is φ = 12718164800.

The previous prime is 44012221037. The next prime is 44012221069.

44012221044 is nontrivially palindromic in base 10.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 11987329 + ... + 11990999.

It is an arithmetic number, because the mean of its divisors is an integer number (820471680).

Almost surely, 2^44012221044 is an apocalyptic number.

44012221044 is a gapful number since it is divisible by the number (44) 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 44012221044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59073960960).

44012221044 is an abundant number, since it is smaller than the sum of its proper divisors (74135700876).

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

44012221044 is a wasteful number, since it uses less digits than its factorization.

44012221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The spelling of 44012221044 in words is "forty-four billion, twelve million, two hundred twenty-one thousand, forty-four".