42400242305 has 8 divisors (see below), whose sum is σ = 51962850432. Its totient is φ = 33198487408.

The previous prime is 42400242299. The next prime is 42400242349. The reversal of 42400242305 is 50324200424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42400242305 - 2⁴ = 42400242289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90213047 + ... + 90213516.

It is an arithmetic number, because the mean of its divisors is an integer number (6495356304).

Almost surely, 2^42400242305 is an apocalyptic number.

It is an amenable number.

42400242305 is a deficient number, since it is larger than the sum of its proper divisors (9562608127).

42400242305 is a wasteful number, since it uses less digits than its factorization.

42400242305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180426615.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42400242305 its reverse (50324200424), we get a palindrome (92724442729).

The spelling of 42400242305 in words is "forty-two billion, four hundred million, two hundred forty-two thousand, three hundred five".