44021133142 has 16 divisors (see below), whose sum is σ = 75468337920. Its totient is φ = 18865315368.

The previous prime is 44021133139. The next prime is 44021133151. The reversal of 44021133142 is 24133112044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301359 + ... + 422917.

It is an arithmetic number, because the mean of its divisors is an integer number (4716771120).

Almost surely, 2^44021133142 is an apocalyptic number.

44021133142 is a deficient number, since it is larger than the sum of its proper divisors (31447204778).

44021133142 is a wasteful number, since it uses less digits than its factorization.

44021133142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147435.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44021133142 its reverse (24133112044), we get a palindrome (68154245186).

The spelling of 44021133142 in words is "forty-four billion, twenty-one million, one hundred thirty-three thousand, one hundred forty-two".