44520042 has 64 divisors (see below), whose sum is σ = 112472064. Its totient is φ = 11447040.

The previous prime is 44520041. The next prime is 44520067. The reversal of 44520042 is 24002544.

44520042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (44520041) 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 31 ways as a sum of consecutive naturals, for example, 15067 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (1757376).

Almost surely, 2^44520042 is an apocalyptic number.

44520042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 44520042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56236032).

44520042 is an abundant number, since it is smaller than the sum of its proper divisors (67952022).

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

44520042 is a wasteful number, since it uses less digits than its factorization.

44520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

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

The square root of 44520042 is about 6672.3340743701. The cubic root of 44520042 is about 354.4202452736.

Adding to 44520042 its reverse (24002544), we get a palindrome (68522586).

The spelling of 44520042 in words is "forty-four million, five hundred twenty thousand, forty-two".