42040140043 has 8 divisors (see below), whose sum is σ = 45892584000. Its totient is φ = 38192798280.

The previous prime is 42040140041. The next prime is 42040140047. The reversal of 42040140043 is 34004104024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42040140043 - 2¹ = 42040140041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42040139996 and 42040140023.

It is not an unprimeable number, because it can be changed into a prime (42040140041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258305 + ... + 1291282.

It is an arithmetic number, because the mean of its divisors is an integer number (5736573000).

Almost surely, 2^42040140043 is an apocalyptic number.

42040140043 is a deficient number, since it is larger than the sum of its proper divisors (3852443957).

42040140043 is a wasteful number, since it uses less digits than its factorization.

42040140043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551097.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42040140043 its reverse (34004104024), we get a palindrome (76044244067).

The spelling of 42040140043 in words is "forty-two billion, forty million, one hundred forty thousand, forty-three".