42240434101 has 4 divisors (see below), whose sum is σ = 42429853312. Its totient is φ = 42051014892.

The previous prime is 42240434083. The next prime is 42240434143. The reversal of 42240434101 is 10143404224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42240434101 - 2⁷ = 42240433973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240435101) 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, 94709271 + ... + 94709716.

It is an arithmetic number, because the mean of its divisors is an integer number (10607463328).

Almost surely, 2^42240434101 is an apocalyptic number.

It is an amenable number.

42240434101 is a deficient number, since it is larger than the sum of its proper divisors (189419211).

42240434101 is a wasteful number, since it uses less digits than its factorization.

42240434101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189419210.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42240434101 its reverse (10143404224), we get a palindrome (52383838325).

The spelling of 42240434101 in words is "forty-two billion, two hundred forty million, four hundred thirty-four thousand, one hundred one".