1441520350778 has 8 divisors (see below), whose sum is σ = 2162285654772. Its totient is φ = 720758465856.

The previous prime is 1441520350759. The next prime is 1441520350811. The reversal of 1441520350778 is 8770530251441.

It can be written as a sum of positive squares in 2 ways, for example, as 1311980103889 + 129540246889 = 1145417^2 + 359917^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 1033826 + ... + 1987922.

Almost surely, 2^{1441520350778} is an apocalyptic number.

1441520350778 is a deficient number, since it is larger than the sum of its proper divisors (720765303994).

1441520350778 is an equidigital number, since it uses as much as digits as its factorization.

1441520350778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709536.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 1441520350778 in words is "one trillion, four hundred forty-one billion, five hundred twenty million, three hundred fifty thousand, seven hundred seventy-eight".