44020147042 has 16 divisors (see below), whose sum is σ = 66158144640. Its totient is φ = 21967472592.

The previous prime is 44020147019. The next prime is 44020147063. The reversal of 44020147042 is 24074102044.

It is a self number, because there is not a number n which added to its sum of digits gives 44020147042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449863 + ... + 2467765.

It is an arithmetic number, because the mean of its divisors is an integer number (4134884040).

Almost surely, 2^44020147042 is an apocalyptic number.

44020147042 is a deficient number, since it is larger than the sum of its proper divisors (22137997598).

44020147042 is a wasteful number, since it uses less digits than its factorization.

44020147042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20217.

The product of its (nonzero) digits is 7168, while the sum is 28.

Adding to 44020147042 its reverse (24074102044), we get a palindrome (68094249086).

The spelling of 44020147042 in words is "forty-four billion, twenty million, one hundred forty-seven thousand, forty-two".