4400369393985 has 48 divisors (see below), whose sum is σ = 7667199321600. Its totient is φ = 2334593923200.

The previous prime is 4400369393947. The next prime is 4400369393999. The reversal of 4400369393985 is 5893939630044.

4400369393985 is a `hidden beast` number, since 4 + 400 + 3 + 69 + 3 + 93 + 9 + 85 = 666.

It is not a de Polignac number, because 4400369393985 - 2¹⁰ = 4400369392961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46222935 + ... + 46318035.

It is an arithmetic number, because the mean of its divisors is an integer number (159733319200).

Almost surely, 2^{4400369393985} is an apocalyptic number.

4400369393985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4400369393985 is a deficient number, since it is larger than the sum of its proper divisors (3266829927615).

4400369393985 is a wasteful number, since it uses less digits than its factorization.

4400369393985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100478 (or 100475 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 63.

The spelling of 4400369393985 in words is "four trillion, four hundred billion, three hundred sixty-nine million, three hundred ninety-three thousand, nine hundred eighty-five".