44238420 has 192 divisors, whose sum is σ = 149990400. Its totient is φ = 10782720.

The previous prime is 44238379. The next prime is 44238431. The reversal of 44238420 is 2483244.

It is a happy number.

44238420 is a `hidden beast` number, since 4 + 4 + 238 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 559941 + ... + 560019.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^44238420 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 44238420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

44238420 is an abundant number, since it is smaller than the sum of its proper divisors (105751980).

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

44238420 is a wasteful number, since it uses less digits than its factorization.

44238420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 44238420 is about 6651.1968847719. The cubic root of 44238420 is about 353.6713410412.

The spelling of 44238420 in words is "forty-four million, two hundred thirty-eight thousand, four hundred twenty".