44044022061640 has 64 divisors (see below), whose sum is σ = 99882458726400. Its totient is φ = 17478344717568.

The previous prime is 44044022061623. The next prime is 44044022061661. The reversal of 44044022061640 is 4616022044044.

It is a self number, because there is not a number n which added to its sum of digits gives 44044022061640.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 189860841 + ... + 190092679.

It is an arithmetic number, because the mean of its divisors is an integer number (1560663417600).

Almost surely, 2^{44044022061640} is an apocalyptic number.

44044022061640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44044022061640 is an abundant number, since it is smaller than the sum of its proper divisors (55838436664760).

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

44044022061640 is a wasteful number, since it uses less digits than its factorization.

44044022061640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269374 (or 269370 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 44044022061640 in words is "forty-four trillion, forty-four billion, twenty-two million, sixty-one thousand, six hundred forty".