42401240113 has 8 divisors (see below), whose sum is σ = 42630867432. Its totient is φ = 42172164096.

The previous prime is 42401240107. The next prime is 42401240129. The reversal of 42401240113 is 31104210424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3461321889 + 38939918224 = 58833^2 + 197332^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42401240113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42401240143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16881 + ... + 291697.

It is an arithmetic number, because the mean of its divisors is an integer number (5328858429).

Almost surely, 2^42401240113 is an apocalyptic number.

It is an amenable number.

42401240113 is a deficient number, since it is larger than the sum of its proper divisors (229627319).

42401240113 is a wasteful number, since it uses less digits than its factorization.

42401240113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275651.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 42401240113 its reverse (31104210424), we get a palindrome (73505450537).

The spelling of 42401240113 in words is "forty-two billion, four hundred one million, two hundred forty thousand, one hundred thirteen".