44131487140 has 36 divisors (see below), whose sum is σ = 100353442644. Its totient is φ = 16294701696.

The previous prime is 44131487069. The next prime is 44131487149. The reversal of 44131487140 is 4178413144.

It can be written as a sum of positive squares in 6 ways, for example, as 3375145216 + 40756341924 = 58096^2 + 201882^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44131487140.

It is not an unprimeable number, because it can be changed into a prime (44131487149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6524947 + ... + 6531706.

It is an arithmetic number, because the mean of its divisors is an integer number (2787595629).

Almost surely, 2^44131487140 is an apocalyptic number.

It is an amenable number.

44131487140 is an abundant number, since it is smaller than the sum of its proper divisors (56221955504).

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

44131487140 is a wasteful number, since it uses less digits than its factorization.

44131487140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056688 (or 13056673 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 44131487140 in words is "forty-four billion, one hundred thirty-one million, four hundred eighty-seven thousand, one hundred forty".