42005550033 has 12 divisors (see below), whose sum is σ = 62631931648. Its totient is φ = 27100354680.

The previous prime is 42005550031. The next prime is 42005550079. The reversal of 42005550033 is 33005550024.

It is not a de Polignac number, because 42005550033 - 2¹ = 42005550031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42005549979 and 42005550006.

It is not an unprimeable number, because it can be changed into a prime (42005550031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75278485 + ... + 75279042.

Almost surely, 2^42005550033 is an apocalyptic number.

It is an amenable number.

42005550033 is a deficient number, since it is larger than the sum of its proper divisors (20626381615).

42005550033 is a wasteful number, since it uses less digits than its factorization.

42005550033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150557564 (or 150557561 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Subtracting from 42005550033 its reverse (33005550024), we obtain a palindrome (9000000009).

The spelling of 42005550033 in words is "forty-two billion, five million, five hundred fifty thousand, thirty-three".