44440140042 has 48 divisors (see below), whose sum is σ = 100080882720. Its totient is φ = 14239349856.

The previous prime is 44440139969. The next prime is 44440140053. The reversal of 44440140042 is 24004104444.

44440140042 is a `hidden beast` number, since 44 + 440 + 140 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 44440139988 and 44440140015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346692 + ... + 457247.

It is an arithmetic number, because the mean of its divisors is an integer number (2085018390).

Almost surely, 2^44440140042 is an apocalyptic number.

44440140042 is an abundant number, since it is smaller than the sum of its proper divisors (55640742678).

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

44440140042 is a wasteful number, since it uses less digits than its factorization.

44440140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804067 (or 804064 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 44440140042 its reverse (24004104444), we get a palindrome (68444244486).

The spelling of 44440140042 in words is "forty-four billion, four hundred forty million, one hundred forty thousand, forty-two".