16440450287707 has 4 divisors (see below), whose sum is σ = 16709965866256. Its totient is φ = 16170934709160.

The previous prime is 16440450287699. The next prime is 16440450287713. The reversal of 16440450287707 is 70778205404461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16440450287707 - 2³ = 16440450287699 is a prime.

It is a super-3 number, since 3×16440450287707³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16440450287717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134757789183 + ... + 134757789304.

It is an arithmetic number, because the mean of its divisors is an integer number (4177491466564).

Almost surely, 2^{16440450287707} is an apocalyptic number.

16440450287707 is a deficient number, since it is larger than the sum of its proper divisors (269515578549).

16440450287707 is an equidigital number, since it uses as much as digits as its factorization.

16440450287707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269515578548.

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 16440450287707 in words is "sixteen trillion, four hundred forty billion, four hundred fifty million, two hundred eighty-seven thousand, seven hundred seven".