42002420024 has 8 divisors (see below), whose sum is σ = 78754537560. Its totient is φ = 21001210008.

The previous prime is 42002420021. The next prime is 42002420093.

42002420024 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42002419978 and 42002420005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002420021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625151244 + ... + 2625151259.

It is an arithmetic number, because the mean of its divisors is an integer number (9844317195).

Almost surely, 2^42002420024 is an apocalyptic number.

It is an amenable number.

42002420024 is a deficient number, since it is larger than the sum of its proper divisors (36752117536).

42002420024 is a wasteful number, since it uses less digits than its factorization.

42002420024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250302509 (or 5250302505 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The spelling of 42002420024 in words is "forty-two billion, two million, four hundred twenty thousand, twenty-four".