33521045042 has 8 divisors (see below), whose sum is σ = 50284123500. Its totient is φ = 16759670544.

The previous prime is 33521045039. The next prime is 33521045059. The reversal of 33521045042 is 24054012533.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31872603841 + 1648441201 = 178529^2 + 40601^2 .

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

It is a super-2 number, since 2×33521045042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33521044996 and 33521045014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375617 + ... + 456212.

Almost surely, 2^33521045042 is an apocalyptic number.

33521045042 is a deficient number, since it is larger than the sum of its proper divisors (16763078458).

33521045042 is a wasteful number, since it uses less digits than its factorization.

33521045042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851980.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 33521045042 its reverse (24054012533), we get a palindrome (57575057575).

The spelling of 33521045042 in words is "thirty-three billion, five hundred twenty-one million, forty-five thousand, forty-two".