44450020 has 12 divisors (see below), whose sum is σ = 93345084. Its totient is φ = 17780000.

The previous prime is 44450009. The next prime is 44450039. The reversal of 44450020 is 2005444.

It can be written as a sum of positive squares in 2 ways, for example, as 34363044 + 10086976 = 5862^2 + 3176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44450020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111231 + ... + 1111270.

It is an arithmetic number, because the mean of its divisors is an integer number (7778757).

Almost surely, 2^44450020 is an apocalyptic number.

It is an amenable number.

44450020 is an abundant number, since it is smaller than the sum of its proper divisors (48895064).

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

44450020 is a wasteful number, since it uses less digits than its factorization.

44450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222510 (or 2222508 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 44450020 is about 6667.0848202194. The cubic root of 44450020 is about 354.2343347212.

Adding to 44450020 its reverse (2005444), we get a palindrome (46455464).

The spelling of 44450020 in words is "forty-four million, four hundred fifty thousand, twenty".