33134440 has 16 divisors (see below), whose sum is σ = 74552580. Its totient is φ = 13253760.

The previous prime is 33134429. The next prime is 33134447. The reversal of 33134440 is 4443133.

It can be written as a sum of positive squares in 2 ways, for example, as 31561924 + 1572516 = 5618^2 + 1254^2 .

It is a super-2 number, since 2×33134440² = 2195782228227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33134447) 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, 414141 + ... + 414220.

Almost surely, 2^33134440 is an apocalyptic number.

It is an amenable number.

33134440 is an abundant number, since it is smaller than the sum of its proper divisors (41418140).

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

33134440 is a wasteful number, since it uses less digits than its factorization.

33134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828372 (or 828368 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 33134440 is about 5756.2522529854. The cubic root of 33134440 is about 321.1884195125.

Adding to 33134440 its reverse (4443133), we get a palindrome (37577573).

The spelling of 33134440 in words is "thirty-three million, one hundred thirty-four thousand, four hundred forty".