2043440533453 has 96 divisors (see below), whose sum is σ = 2412379791360. Its totient is φ = 1726674364800.

The previous prime is 2043440533447. The next prime is 2043440533471. The reversal of 2043440533453 is 3543350443402.

It is not a de Polignac number, because 2043440533453 - 2⁹ = 2043440532941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043440533753) 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 95 ways as a sum of consecutive naturals, for example, 2882144263 + ... + 2882144971.

It is an arithmetic number, because the mean of its divisors is an integer number (25128956160).

Almost surely, 2^{2043440533453} is an apocalyptic number.

It is an amenable number.

2043440533453 is a deficient number, since it is larger than the sum of its proper divisors (368939257907).

2043440533453 is a wasteful number, since it uses less digits than its factorization.

2043440533453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 40.

Adding to 2043440533453 its reverse (3543350443402), we get a palindrome (5586790976855).

The spelling of 2043440533453 in words is "two trillion, forty-three billion, four hundred forty million, five hundred thirty-three thousand, four hundred fifty-three".