44461620 has 162 divisors, whose sum is σ = 159126786. Its totient is φ = 10019520.

The previous prime is 44461609. The next prime is 44461621. The reversal of 44461620 is 2616444.

44461620 is a `hidden beast` number, since 4 + 44 + 616 + 2 + 0 = 666.

44461620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35569296 + 8892324 = 5964^2 + 2982^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44461621) 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 53 ways as a sum of consecutive naturals, for example, 626185 + ... + 626255.

Almost surely, 2^44461620 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 44461620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79563393).

44461620 is an abundant number, since it is smaller than the sum of its proper divisors (114665166).

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

44461620 is a wasteful number, since it uses less digits than its factorization.

44461620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44461620 is about 6667.9547089044. The cubic root of 44461620 is about 354.2651465625.

The spelling of 44461620 in words is "forty-four million, four hundred sixty-one thousand, six hundred twenty".