1440166076345 has 4 divisors (see below), whose sum is σ = 1728199291620. Its totient is φ = 1152132861072.

The previous prime is 1440166076339. The next prime is 1440166076347. The reversal of 1440166076345 is 5436706610441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 385773905449 + 1054392170896 = 621107^2 + 1026836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440166076345 - 2⁴ = 1440166076329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1440166076345.

It is not an unprimeable number, because it can be changed into a prime (1440166076347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144016607630 + ... + 144016607639.

It is an arithmetic number, because the mean of its divisors is an integer number (432049822905).

Almost surely, 2^{1440166076345} is an apocalyptic number.

It is an amenable number.

1440166076345 is a deficient number, since it is larger than the sum of its proper divisors (288033215275).

1440166076345 is an equidigital number, since it uses as much as digits as its factorization.

1440166076345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288033215274.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 1440166076345 in words is "one trillion, four hundred forty billion, one hundred sixty-six million, seventy-six thousand, three hundred forty-five".