42040205043 has 4 divisors (see below), whose sum is σ = 56053606728. Its totient is φ = 28026803360.

The previous prime is 42040205033. The next prime is 42040205059. The reversal of 42040205043 is 34050204024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42040205043 - 2⁶ = 42040204979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42040205003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7006700838 + ... + 7006700843.

It is an arithmetic number, because the mean of its divisors is an integer number (14013401682).

Almost surely, 2^42040205043 is an apocalyptic number.

42040205043 is a deficient number, since it is larger than the sum of its proper divisors (14013401685).

42040205043 is a wasteful number, since it uses less digits than its factorization.

42040205043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14013401684.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 42040205043 its reverse (34050204024), we get a palindrome (76090409067).

The spelling of 42040205043 in words is "forty-two billion, forty million, two hundred five thousand, forty-three".