44121432 has 48 divisors (see below), whose sum is σ = 114036120. Its totient is φ = 14225280.

The previous prime is 44121431. The next prime is 44121437. The reversal of 44121432 is 23412144.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 44121399 and 44121408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121431) 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, 22108 + ... + 24020.

Almost surely, 2^44121432 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 44121432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57018060).

44121432 is an abundant number, since it is smaller than the sum of its proper divisors (69914688).

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

44121432 is a wasteful number, since it uses less digits than its factorization.

44121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1949 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 44121432 is about 6642.3965554610. The cubic root of 44121432 is about 353.3593058713.

Adding to 44121432 its reverse (23412144), we get a palindrome (67533576).

The spelling of 44121432 in words is "forty-four million, one hundred twenty-one thousand, four hundred thirty-two".