42340144424413 has 4 divisors (see below), whose sum is σ = 46189248463008. Its totient is φ = 38491040385820.

The previous prime is 42340144424411. The next prime is 42340144424519. The reversal of 42340144424413 is 31442444104324.

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 not a de Polignac number, because 42340144424413 - 2¹ = 42340144424411 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 (42340144424411) 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, 1924552019281 + ... + 1924552019302.

It is an arithmetic number, because the mean of its divisors is an integer number (11547312115752).

Almost surely, 2^{42340144424413} is an apocalyptic number.

It is an amenable number.

42340144424413 is a deficient number, since it is larger than the sum of its proper divisors (3849104038595).

42340144424413 is a wasteful number, since it uses less digits than its factorization.

42340144424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849104038594.

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 42340144424413 its reverse (31442444104324), we get a palindrome (73782588528737).

The spelling of 42340144424413 in words is "forty-two trillion, three hundred forty billion, one hundred forty-four million, four hundred twenty-four thousand, four hundred thirteen".