42404034231 has 12 divisors (see below), whose sum is σ = 65961831208. Its totient is φ = 26094790224.

The previous prime is 42404034227. The next prime is 42404034289. The reversal of 42404034231 is 13243040424.

It is a happy number.

42404034231 is a `hidden beast` number, since 4 + 24 + 0 + 403 + 4 + 231 = 666.

It is not a de Polignac number, because 42404034231 - 2² = 42404034227 is a prime.

It is a super-2 number, since 2×42404034231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42404034195 and 42404034204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404034131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181213705 + ... + 181213938.

Almost surely, 2^42404034231 is an apocalyptic number.

42404034231 is a deficient number, since it is larger than the sum of its proper divisors (23557796977).

42404034231 is a wasteful number, since it uses less digits than its factorization.

42404034231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362427662 (or 362427659 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42404034231 its reverse (13243040424), we get a palindrome (55647074655).

The spelling of 42404034231 in words is "forty-two billion, four hundred four million, thirty-four thousand, two hundred thirty-one".