1043443540240 has 40 divisors (see below), whose sum is σ = 2504264502528. Its totient is φ = 403913627520.

The previous prime is 1043443540229. The next prime is 1043443540267. The reversal of 1043443540240 is 420453443401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1043443540196 and 1043443540205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210369202 + ... + 210374161.

Almost surely, 2^{1043443540240} is an apocalyptic number.

1043443540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043443540240 is an abundant number, since it is smaller than the sum of its proper divisors (1460820962288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1043443540240 is a wasteful number, since it uses less digits than its factorization.

1043443540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420743407 (or 420743401 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 1043443540240 its reverse (420453443401), we get a palindrome (1463896983641).

The spelling of 1043443540240 in words is "one trillion, forty-three billion, four hundred forty-three million, five hundred forty thousand, two hundred forty".