42043001204 has 6 divisors (see below), whose sum is σ = 73575252114. Its totient is φ = 21021500600.

The previous prime is 42043001201. The next prime is 42043001213. The reversal of 42043001204 is 40210034024.

It can be written as a sum of positive squares in only one way, i.e., 41494504804 + 548496400 = 203702^2 + 23420^2 .

It is a super-2 number, since 2×42043001204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043001201) 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 as a sum of consecutive naturals, namely, 5255375147 + ... + 5255375154.

It is an arithmetic number, because the mean of its divisors is an integer number (12262542019).

Almost surely, 2^42043001204 is an apocalyptic number.

It is an amenable number.

42043001204 is a deficient number, since it is larger than the sum of its proper divisors (31532250910).

42043001204 is a wasteful number, since it uses less digits than its factorization.

42043001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510750305 (or 10510750303 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42043001204 its reverse (40210034024), we get a palindrome (82253035228).

The spelling of 42043001204 in words is "forty-two billion, forty-three million, one thousand, two hundred four".