44045220 has 24 divisors (see below), whose sum is σ = 123326784. Its totient is φ = 11745376.

The previous prime is 44045219. The next prime is 44045231. The reversal of 44045220 is 2254044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366984 + ... + 367103.

It is an arithmetic number, because the mean of its divisors is an integer number (5138616).

Almost surely, 2^44045220 is an apocalyptic number.

It is an amenable number.

44045220 is an abundant number, since it is smaller than the sum of its proper divisors (79281564).

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

44045220 is a wasteful number, since it uses less digits than its factorization.

44045220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734099 (or 734097 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44045220 is about 6636.6572911369. The cubic root of 44045220 is about 353.1557333003.

Adding to 44045220 its reverse (2254044), we get a palindrome (46299264).

The spelling of 44045220 in words is "forty-four million, forty-five thousand, two hundred twenty".