42240431001 has 16 divisors (see below), whose sum is σ = 59290525440. Its totient is φ = 26675597520.

The previous prime is 42240430997. The next prime is 42240431083. The reversal of 42240431001 is 10013404224.

It is not a de Polignac number, because 42240431001 - 2² = 42240430997 is a prime.

It is a super-2 number, since 2×42240431001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42240431801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689446 + ... + 748208.

It is an arithmetic number, because the mean of its divisors is an integer number (3705657840).

Almost surely, 2^42240431001 is an apocalyptic number.

It is an amenable number.

42240431001 is a deficient number, since it is larger than the sum of its proper divisors (17050094439).

42240431001 is a wasteful number, since it uses less digits than its factorization.

42240431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71396.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42240431001 its reverse (10013404224), we get a palindrome (52253835225).

The spelling of 42240431001 in words is "forty-two billion, two hundred forty million, four hundred thirty-one thousand, one".