44021432 has 64 divisors (see below), whose sum is σ = 107593920. Its totient is φ = 16386048.

The previous prime is 44021431. The next prime is 44021437. The reversal of 44021432 is 23412044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021431) 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, 10598 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (1681155).

Almost surely, 2^44021432 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 44021432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53796960).

44021432 is an abundant number, since it is smaller than the sum of its proper divisors (63572488).

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

44021432 is a wasteful number, since it uses less digits than its factorization.

44021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44021432 is about 6634.8648818194. The cubic root of 44021432 is about 353.0921442478.

Adding to 44021432 its reverse (23412044), we get a palindrome (67433476).

The spelling of 44021432 in words is "forty-four million, twenty-one thousand, four hundred thirty-two".