42404352231 has 8 divisors (see below), whose sum is σ = 56577164544. Its totient is φ = 28250554040.

The previous prime is 42404352181. The next prime is 42404352239. The reversal of 42404352231 is 13225340424.

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 42404352231 - 2⁶ = 42404352167 is a prime.

It is a super-2 number, since 2×42404352231² (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 (42404352239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4748325 + ... + 4757246.

It is an arithmetic number, because the mean of its divisors is an integer number (7072145568).

Almost surely, 2^42404352231 is an apocalyptic number.

42404352231 is a deficient number, since it is larger than the sum of its proper divisors (14172812313).

42404352231 is a wasteful number, since it uses less digits than its factorization.

42404352231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507061.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42404352231 its reverse (13225340424), we get a palindrome (55629692655).

The spelling of 42404352231 in words is "forty-two billion, four hundred four million, three hundred fifty-two thousand, two hundred thirty-one".