42340430024 has 8 divisors (see below), whose sum is σ = 79388306310. Its totient is φ = 21170215008.

The previous prime is 42340430021. The next prime is 42340430057. The reversal of 42340430024 is 42003404324.

It can be written as a sum of positive squares in only one way, i.e., 38683809124 + 3656620900 = 196682^2 + 60470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42340429975 and 42340430002.

It is not an unprimeable number, because it can be changed into a prime (42340430021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2646276869 + ... + 2646276884.

Almost surely, 2^42340430024 is an apocalyptic number.

It is an amenable number.

42340430024 is a deficient number, since it is larger than the sum of its proper divisors (37047876286).

42340430024 is a wasteful number, since it uses less digits than its factorization.

42340430024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292553759 (or 5292553755 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42340430024 its reverse (42003404324), we get a palindrome (84343834348).

It can be divided in two parts, 423404300 and 24, that added together give a palindrome (423404324).

The spelling of 42340430024 in words is "forty-two billion, three hundred forty million, four hundred thirty thousand, twenty-four".