33042155236 has 12 divisors (see below), whose sum is σ = 58771702780. Its totient is φ = 16250240160.

The previous prime is 33042155231. The next prime is 33042155249. The reversal of 33042155236 is 63255124033.

It can be written as a sum of positive squares in 2 ways, for example, as 295633636 + 32746521600 = 17194^2 + 180960^2 .

It is not an unprimeable number, because it can be changed into a prime (33042155231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67709091 + ... + 67709578.

Almost surely, 2^33042155236 is an apocalyptic number.

It is an amenable number.

33042155236 is a deficient number, since it is larger than the sum of its proper divisors (25729547544).

33042155236 is a wasteful number, since it uses less digits than its factorization.

33042155236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135418734 (or 135418732 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 33042155236 its reverse (63255124033), we get a palindrome (96297279269).

The spelling of 33042155236 in words is "thirty-three billion, forty-two million, one hundred fifty-five thousand, two hundred thirty-six".