42402044022004 has 12 divisors (see below), whose sum is σ = 74277118747300. Its totient is φ = 21180010094208.

The previous prime is 42402044021891. The next prime is 42402044022007. The reversal of 42402044022004 is 40022044020424.

42402044022004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31748739698404 + 10653304323600 = 5634602^2 + 3263940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42402044022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252974659 + ... + 5252982730.

Almost surely, 2^{42402044022004} is an apocalyptic number.

It is an amenable number.

42402044022004 is a deficient number, since it is larger than the sum of its proper divisors (31875074725296).

42402044022004 is a wasteful number, since it uses less digits than its factorization.

42402044022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505958402 (or 10505958400 counting only the distinct ones).

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

Adding to 42402044022004 its reverse (40022044020424), we get a palindrome (82424088042428).

The spelling of 42402044022004 in words is "forty-two trillion, four hundred two billion, forty-four million, twenty-two thousand, four".