44121153140 has 24 divisors (see below), whose sum is σ = 92805596520. Its totient is φ = 17619666048.

The previous prime is 44121153119. The next prime is 44121153143. The reversal of 44121153140 is 4135112144.

It can be written as a sum of positive squares in 4 ways, for example, as 3172392976 + 40948760164 = 56324^2 + 202358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121153143) by changing a digit.

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, 1787135 + ... + 1811654.

It is an arithmetic number, because the mean of its divisors is an integer number (3866899855).

Almost surely, 2^44121153140 is an apocalyptic number.

It is an amenable number.

44121153140 is an abundant number, since it is smaller than the sum of its proper divisors (48684443380).

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

44121153140 is a wasteful number, since it uses less digits than its factorization.

44121153140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599411 (or 3599409 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 44121153140 its reverse (4135112144), we get a palindrome (48256265284).

The spelling of 44121153140 in words is "forty-four billion, one hundred twenty-one million, one hundred fifty-three thousand, one hundred forty".