44144420 has 12 divisors (see below), whose sum is σ = 92703324. Its totient is φ = 17657760.

The previous prime is 44144417. The next prime is 44144423. The reversal of 44144420 is 2444144.

It is an interprime number because it is at equal distance from previous prime (44144417) and next prime (44144423).

It can be written as a sum of positive squares in 2 ways, for example, as 20016676 + 24127744 = 4474^2 + 4912^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44144423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103591 + ... + 1103630.

It is an arithmetic number, because the mean of its divisors is an integer number (7725277).

Almost surely, 2^44144420 is an apocalyptic number.

It is an amenable number.

44144420 is an abundant number, since it is smaller than the sum of its proper divisors (48558904).

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

44144420 is a wasteful number, since it uses less digits than its factorization.

44144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207230 (or 2207228 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 44144420 is about 6644.1267296764. The cubic root of 44144420 is about 353.4206639085.

Adding to 44144420 its reverse (2444144), we get a palindrome (46588564).

The spelling of 44144420 in words is "forty-four million, one hundred forty-four thousand, four hundred twenty".