1440466365242 has 4 divisors (see below), whose sum is σ = 2160699547866. Its totient is φ = 720233182620.

The previous prime is 1440466365209. The next prime is 1440466365301. The reversal of 1440466365242 is 2425636640441.

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

It can be written as a sum of positive squares in only one way, i.e., 1313565839881 + 126900525361 = 1146109^2 + 356231^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 360116591309 + ... + 360116591312.

Almost surely, 2^{1440466365242} is an apocalyptic number.

1440466365242 is a deficient number, since it is larger than the sum of its proper divisors (720233182624).

1440466365242 is an equidigital number, since it uses as much as digits as its factorization.

1440466365242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720233182623.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 1440466365242 in words is "one trillion, four hundred forty billion, four hundred sixty-six million, three hundred sixty-five thousand, two hundred forty-two".