44021012 has 36 divisors (see below), whose sum is σ = 90780480. Its totient is φ = 18620784.

The previous prime is 44020997. The next prime is 44021017. The reversal of 44021012 is 21012044.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14063 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (2521680).

Almost surely, 2^44021012 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 44021012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45390240).

44021012 is an abundant number, since it is smaller than the sum of its proper divisors (46759468).

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

44021012 is a wasteful number, since it uses less digits than its factorization.

44021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 44021012 is about 6634.8332307602. The cubic root of 44021012 is about 353.0910213162.

Adding to 44021012 its reverse (21012044), we get a palindrome (65033056).

The spelling of 44021012 in words is "forty-four million, twenty-one thousand, twelve".