42417245181 has 8 divisors (see below), whose sum is σ = 57514908960. Its totient is φ = 27798872432.

The previous prime is 42417245159. The next prime is 42417245231. The reversal of 42417245181 is 18154271424.

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 42417245181 - 2⁹ = 42417244669 is a prime.

It is a super-2 number, since 2×42417245181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42417245881) 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, 119822550 + ... + 119822903.

It is an arithmetic number, because the mean of its divisors is an integer number (7189363620).

Almost surely, 2^42417245181 is an apocalyptic number.

It is an amenable number.

42417245181 is a deficient number, since it is larger than the sum of its proper divisors (15097663779).

42417245181 is a wasteful number, since it uses less digits than its factorization.

42417245181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239645515.

The product of its digits is 71680, while the sum is 39.

The spelling of 42417245181 in words is "forty-two billion, four hundred seventeen million, two hundred forty-five thousand, one hundred eighty-one".