42244242511 has 4 divisors (see below), whose sum is σ = 42244997400. Its totient is φ = 42243487624.

The previous prime is 42244242473. The next prime is 42244242541. The reversal of 42244242511 is 11524244224.

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 42244242511 - 2³⁵ = 7884504143 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 (42244242541) 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, 286141 + ... + 407878.

It is an arithmetic number, because the mean of its divisors is an integer number (10561249350).

Almost surely, 2^42244242511 is an apocalyptic number.

42244242511 is a deficient number, since it is larger than the sum of its proper divisors (754889).

42244242511 is an equidigital number, since it uses as much as digits as its factorization.

42244242511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754888.

The product of its digits is 20480, while the sum is 31.

Adding to 42244242511 its reverse (11524244224), we get a palindrome (53768486735).

The spelling of 42244242511 in words is "forty-two billion, two hundred forty-four million, two hundred forty-two thousand, five hundred eleven".