44621424 has 120 divisors (see below), whose sum is σ = 134634240. Its totient is φ = 13751424.

The previous prime is 44621399. The next prime is 44621429. The reversal of 44621424 is 42412644.

It is a happy number.

44621424 is a `hidden beast` number, since 446 + 214 + 2 + 4 = 666.

44621424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×44621424³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44621429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128419 + ... + 128765.

It is an arithmetic number, because the mean of its divisors is an integer number (1121952).

Almost surely, 2^44621424 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 44621424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67317120).

44621424 is an abundant number, since it is smaller than the sum of its proper divisors (90012816).

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

44621424 is a wasteful number, since it uses less digits than its factorization.

44621424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

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

The square root of 44621424 is about 6679.9269457083. The cubic root of 44621424 is about 354.6890724597.

It can be divided in two parts, 4462 and 1424, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 44621424 in words is "forty-four million, six hundred twenty-one thousand, four hundred twenty-four".