1005440550443 has 12 divisors (see below), whose sum is σ = 1220446028880. Its totient is φ = 824336350992.

The previous prime is 1005440550431. The next prime is 1005440550473. The reversal of 1005440550443 is 3440550445001.

1005440550443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1005440550443 - 2⁴ = 1005440550427 is a prime.

It is a super-3 number, since 3×1005440550443³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005440550473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446068328 + ... + 446070581.

It is an arithmetic number, because the mean of its divisors is an integer number (101703835740).

Almost surely, 2^{1005440550443} is an apocalyptic number.

1005440550443 is a deficient number, since it is larger than the sum of its proper divisors (215005478437).

1005440550443 is an equidigital number, since it uses as much as digits as its factorization.

1005440550443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892138946 (or 892138939 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 1005440550443 its reverse (3440550445001), we get a palindrome (4445990995444).

The spelling of 1005440550443 in words is "one trillion, five billion, four hundred forty million, five hundred fifty thousand, four hundred forty-three".