42002440004 has 48 divisors (see below), whose sum is σ = 85628987136. Its totient is φ = 17653334400.

The previous prime is 42002439979. The next prime is 42002440049. The reversal of 42002440004 is 40004420024.

42002440004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4136774 + ... + 4146914.

It is an arithmetic number, because the mean of its divisors is an integer number (1783937232).

Almost surely, 2^42002440004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42002440004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42814493568).

42002440004 is an abundant number, since it is smaller than the sum of its proper divisors (43626547132).

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

42002440004 is a wasteful number, since it uses less digits than its factorization.

42002440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996 (or 12994 counting only the distinct ones).

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

Adding to 42002440004 its reverse (40004420024), we get a palindrome (82006860028).

The spelling of 42002440004 in words is "forty-two billion, two million, four hundred forty thousand, four".