42004541533 has 8 divisors (see below), whose sum is σ = 43064566776. Its totient is φ = 40946208000.

The previous prime is 42004541489. The next prime is 42004541569. The reversal of 42004541533 is 33514540024.

It can be written as a sum of positive squares in 4 ways, for example, as 6201090009 + 35803451524 = 78747^2 + 189218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42004541533 - 2¹³ = 42004533341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42004541495 and 42004541504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004541933) 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 in 7 ways as a sum of consecutive naturals, for example, 372568 + ... + 472033.

It is an arithmetic number, because the mean of its divisors is an integer number (5383070847).

Almost surely, 2^42004541533 is an apocalyptic number.

It is an amenable number.

42004541533 is a deficient number, since it is larger than the sum of its proper divisors (1060025243).

42004541533 is a wasteful number, since it uses less digits than its factorization.

42004541533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845855.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 42004541533 in words is "forty-two billion, four million, five hundred forty-one thousand, five hundred thirty-three".