44004664 has 32 divisors (see below), whose sum is σ = 91290240. Its totient is φ = 19717600.

The previous prime is 44004661. The next prime is 44004677. The reversal of 44004664 is 46640044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004661) 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, 2727 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (2852820).

Almost surely, 2^44004664 is an apocalyptic number.

44004664 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 44004664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45645120).

44004664 is an abundant number, since it is smaller than the sum of its proper divisors (47285576).

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

44004664 is a wasteful number, since it uses less digits than its factorization.

44004664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131 (or 7127 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 44004664 is about 6633.6011336227. The cubic root of 44004664 is about 353.0473069893.

The spelling of 44004664 in words is "forty-four million, four thousand, six hundred sixty-four".