44161940 has 12 divisors (see below), whose sum is σ = 92740116. Its totient is φ = 17664768.

The previous prime is 44161927. The next prime is 44161951. The reversal of 44161940 is 4916144.

It is a happy number.

44161940 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 2 ways, for example, as 19201924 + 24960016 = 4382^2 + 4996^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1104029 + ... + 1104068.

It is an arithmetic number, because the mean of its divisors is an integer number (7728343).

Almost surely, 2^44161940 is an apocalyptic number.

It is an amenable number.

44161940 is an abundant number, since it is smaller than the sum of its proper divisors (48578176).

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

44161940 is a wasteful number, since it uses less digits than its factorization.

44161940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208106 (or 2208104 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 44161940 is about 6645.4450565782. The cubic root of 44161940 is about 353.4674128223.

The spelling of 44161940 in words is "forty-four million, one hundred sixty-one thousand, nine hundred forty".