42002404440004 has 24 divisors (see below), whose sum is σ = 73516374754200. Its totient is φ = 20997726247680.

The previous prime is 42002404439999. The next prime is 42002404440083. The reversal of 42002404440004 is 40004440420024.

It can be written as a sum of positive squares in 4 ways, for example, as 3185118396100 + 38817286043904 = 1784690^2 + 6230352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017750682 + ... + 1017791950.

It is an arithmetic number, because the mean of its divisors is an integer number (3063182281425).

Almost surely, 2^{42002404440004} is an apocalyptic number.

It is an amenable number.

42002404440004 is a deficient number, since it is larger than the sum of its proper divisors (31513970314196).

42002404440004 is a wasteful number, since it uses less digits than its factorization.

42002404440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77223 (or 77221 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 42002404440004 its reverse (40004440420024), we get a palindrome (82006844860028).

The spelling of 42002404440004 in words is "forty-two trillion, two billion, four hundred four million, four hundred forty thousand, four".