44121004142 has 16 divisors (see below), whose sum is σ = 66342592512. Its totient is φ = 22006846680.

The previous prime is 44121004099. The next prime is 44121004153. The reversal of 44121004142 is 24140012144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598083 + ... + 2615009.

It is an arithmetic number, because the mean of its divisors is an integer number (4146412032).

Almost surely, 2^44121004142 is an apocalyptic number.

44121004142 is a deficient number, since it is larger than the sum of its proper divisors (22221588370).

44121004142 is a wasteful number, since it uses less digits than its factorization.

44121004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 44121004142 its reverse (24140012144), we get a palindrome (68261016286).

The spelling of 44121004142 in words is "forty-four billion, one hundred twenty-one million, four thousand, one hundred forty-two".