44021532 has 12 divisors (see below), whose sum is σ = 102716936. Its totient is φ = 14673840.

The previous prime is 44021531. The next prime is 44021539. The reversal of 44021532 is 23512044.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 44021499 and 44021508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834219 + ... + 1834242.

Almost surely, 2^44021532 is an apocalyptic number.

It is an amenable number.

44021532 is an abundant number, since it is smaller than the sum of its proper divisors (58695404).

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

44021532 is a wasteful number, since it uses less digits than its factorization.

44021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668468 (or 3668466 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 44021532 is about 6634.8724177636. The cubic root of 44021532 is about 353.0924116114.

Adding to 44021532 its reverse (23512044), we get a palindrome (67533576).

The spelling of 44021532 in words is "forty-four million, twenty-one thousand, five hundred thirty-two".