42240104020 has 24 divisors (see below), whose sum is σ = 88708413024. Its totient is φ = 16895242656.

The previous prime is 42240104009. The next prime is 42240104029. The reversal of 42240104020 is 2040104224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42240104029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573327 + ... + 642793.

It is an arithmetic number, because the mean of its divisors is an integer number (3696183876).

Almost surely, 2^42240104020 is an apocalyptic number.

It is an amenable number.

42240104020 is an abundant number, since it is smaller than the sum of its proper divisors (46468309004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42240104020 is a wasteful number, since it uses less digits than its factorization.

42240104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99879 (or 99877 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42240104020 its reverse (2040104224), we get a palindrome (44280208244).

The spelling of 42240104020 in words is "forty-two billion, two hundred forty million, one hundred four thousand, twenty".