33213233044 has 12 divisors (see below), whose sum is σ = 58134965364. Its totient is φ = 16603242944.

The previous prime is 33213233041. The next prime is 33213233059. The reversal of 33213233044 is 44033231233.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9884336400 + 23328896644 = 99420^2 + 152738^2 .

It is a super-2 number, since 2×33213233044² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213233041) 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, 821179 + ... + 860674.

It is an arithmetic number, because the mean of its divisors is an integer number (4844580447).

Almost surely, 2^33213233044 is an apocalyptic number.

It is an amenable number.

33213233044 is a deficient number, since it is larger than the sum of its proper divisors (24921732320).

33213233044 is a wasteful number, since it uses less digits than its factorization.

33213233044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686794 (or 1686792 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 33213233044 its reverse (44033231233), we get a palindrome (77246464277).

The spelling of 33213233044 in words is "thirty-three billion, two hundred thirteen million, two hundred thirty-three thousand, forty-four".