1840772044085 has 8 divisors (see below), whose sum is σ = 2378843872440. Its totient is φ = 1359339355584.

The previous prime is 1840772044081. The next prime is 1840772044103. The reversal of 1840772044085 is 5804402770481.

It can be written as a sum of positive squares in 4 ways, for example, as 292126197169 + 1548645846916 = 540487^2 + 1244446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1840772044085 - 2² = 1840772044081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840772044081) 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, 14159784890 + ... + 14159785019.

It is an arithmetic number, because the mean of its divisors is an integer number (297355484055).

Almost surely, 2^{1840772044085} is an apocalyptic number.

It is an amenable number.

1840772044085 is a deficient number, since it is larger than the sum of its proper divisors (538071828355).

1840772044085 is a wasteful number, since it uses less digits than its factorization.

1840772044085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28319569927.

The product of its (nonzero) digits is 2007040, while the sum is 50.

The spelling of 1840772044085 in words is "one trillion, eight hundred forty billion, seven hundred seventy-two million, forty-four thousand, eighty-five".