44121003140 has 48 divisors (see below), whose sum is σ = 97660113600. Its totient is φ = 16697342592.

The previous prime is 44121003137. The next prime is 44121003161. The reversal of 44121003140 is 4130012144.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 210971 + ... + 364349.

It is an arithmetic number, because the mean of its divisors is an integer number (2034585700).

Almost surely, 2^44121003140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44121003140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48830056800).

44121003140 is an abundant number, since it is smaller than the sum of its proper divisors (53539110460).

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

44121003140 is a wasteful number, since it uses less digits than its factorization.

44121003140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154164 (or 154162 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 44121003140 its reverse (4130012144), we get a palindrome (48251015284).

The spelling of 44121003140 in words is "forty-four billion, one hundred twenty-one million, three thousand, one hundred forty".