44180097820 has 24 divisors (see below), whose sum is σ = 92861312544. Its totient is φ = 17656209216.

The previous prime is 44180097817. The next prime is 44180097827. The reversal of 44180097820 is 2879008144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44180097827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966472 + ... + 1011151.

It is an arithmetic number, because the mean of its divisors is an integer number (3869221356).

Almost surely, 2^44180097820 is an apocalyptic number.

It is an amenable number.

44180097820 is an abundant number, since it is smaller than the sum of its proper divisors (48681214724).

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

44180097820 is a wasteful number, since it uses less digits than its factorization.

44180097820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978749 (or 1978747 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 44180097820 in words is "forty-four billion, one hundred eighty million, ninety-seven thousand, eight hundred twenty".