42340232441 has 4 divisors (see below), whose sum is σ = 45597173412. Its totient is φ = 39083291472.

The previous prime is 42340232437. The next prime is 42340232443. The reversal of 42340232441 is 14423204324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23324925625 + 19015306816 = 152725^2 + 137896^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340232441 - 2² = 42340232437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340232443) 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, 1628470466 + ... + 1628470491.

It is an arithmetic number, because the mean of its divisors is an integer number (11399293353).

Almost surely, 2^42340232441 is an apocalyptic number.

It is an amenable number.

42340232441 is a deficient number, since it is larger than the sum of its proper divisors (3256940971).

42340232441 is a wasteful number, since it uses less digits than its factorization.

42340232441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256940970.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42340232441 its reverse (14423204324), we get a palindrome (56763436765).

The spelling of 42340232441 in words is "forty-two billion, three hundred forty million, two hundred thirty-two thousand, four hundred forty-one".