2040521243043 has 16 divisors (see below), whose sum is σ = 2879888860800. Its totient is φ = 1281550530240.

The previous prime is 2040521243023. The next prime is 2040521243051. The reversal of 2040521243043 is 3403421250402.

It is not a de Polignac number, because 2040521243043 - 2⁵ = 2040521243011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040521243043.

It is not an unprimeable number, because it can be changed into a prime (2040521243023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99985938 + ... + 100006343.

It is an arithmetic number, because the mean of its divisors is an integer number (179993053800).

Almost surely, 2^{2040521243043} is an apocalyptic number.

2040521243043 is a deficient number, since it is larger than the sum of its proper divisors (839367617757).

2040521243043 is a wasteful number, since it uses less digits than its factorization.

2040521243043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199992482.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2040521243043 its reverse (3403421250402), we get a palindrome (5443942493445).

The spelling of 2040521243043 in words is "two trillion, forty billion, five hundred twenty-one million, two hundred forty-three thousand, forty-three".