44187730768 has 40 divisors (see below), whose sum is σ = 85814368640. Its totient is φ = 22042160640.

The previous prime is 44187730687. The next prime is 44187730837. The reversal of 44187730768 is 86703778144.

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, 19320121 + ... + 19322407.

It is an arithmetic number, because the mean of its divisors is an integer number (2145359216).

Almost surely, 2^44187730768 is an apocalyptic number.

It is an amenable number.

44187730768 is a deficient number, since it is larger than the sum of its proper divisors (41626637872).

44187730768 is a wasteful number, since it uses less digits than its factorization.

44187730768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4589 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 44187730768 in words is "forty-four billion, one hundred eighty-seven million, seven hundred thirty thousand, seven hundred sixty-eight".