42240140103 has 32 divisors (see below), whose sum is σ = 64613376000. Its totient is φ = 24044592096.

The previous prime is 42240140099. The next prime is 42240140119. The reversal of 42240140103 is 30104104224.

It is not a de Polignac number, because 42240140103 - 2² = 42240140099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42240140103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240140143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7820998 + ... + 7826396.

It is an arithmetic number, because the mean of its divisors is an integer number (2019168000).

Almost surely, 2^42240140103 is an apocalyptic number.

42240140103 is a deficient number, since it is larger than the sum of its proper divisors (22373235897).

42240140103 is a wasteful number, since it uses less digits than its factorization.

42240140103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771.

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

Adding to 42240140103 its reverse (30104104224), we get a palindrome (72344244327).

The spelling of 42240140103 in words is "forty-two billion, two hundred forty million, one hundred forty thousand, one hundred three".