33021345042 has 48 divisors (see below), whose sum is σ = 85322240640. Its totient is φ = 9024466176.

The previous prime is 33021345041. The next prime is 33021345047. The reversal of 33021345042 is 24054312033.

It is a super-3 number, since 3×33021345042³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33021344997 and 33021345015.

It is not an unprimeable number, because it can be changed into a prime (33021345041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5694367 + ... + 5700162.

It is an arithmetic number, because the mean of its divisors is an integer number (1777546680).

Almost surely, 2^33021345042 is an apocalyptic number.

33021345042 is an abundant number, since it is smaller than the sum of its proper divisors (52300895598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33021345042 is a wasteful number, since it uses less digits than its factorization.

33021345042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394567 (or 11394564 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 33021345042 its reverse (24054312033), we get a palindrome (57075657075).

The spelling of 33021345042 in words is "thirty-three billion, twenty-one million, three hundred forty-five thousand, forty-two".