44440032 has 96 divisors (see below), whose sum is σ = 143603712. Its totient is φ = 11718144.

The previous prime is 44440007. The next prime is 44440037. The reversal of 44440032 is 23004444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×44440032² = 3949832888322048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 44439990 and 44440008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (1495872).

Almost surely, 2^44440032 is an apocalyptic number.

44440032 is a gapful number since it is divisible by the number (42) 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 44440032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71801856).

44440032 is an abundant number, since it is smaller than the sum of its proper divisors (99163680).

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

44440032 is a wasteful number, since it uses less digits than its factorization.

44440032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 44440032 is about 6666.3357251192. The cubic root of 44440032 is about 354.2078003682.

Adding to 44440032 its reverse (23004444), we get a palindrome (67444476).

The spelling of 44440032 in words is "forty-four million, four hundred forty thousand, thirty-two".