33536040 has 64 divisors (see below), whose sum is σ = 101640960. Its totient is φ = 8851200.

The previous prime is 33536033. The next prime is 33536071. The reversal of 33536040 is 4063533.

It is a super-2 number, since 2×33536040² = 2249331957763200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 33536040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10737 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (1588140).

Almost surely, 2^33536040 is an apocalyptic number.

33536040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33536040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50820480).

33536040 is an abundant number, since it is smaller than the sum of its proper divisors (68104920).

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

33536040 is a wasteful number, since it uses less digits than its factorization.

33536040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 2878 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 33536040 is about 5791.0309962907. The cubic root of 33536040 is about 322.4808473693.

Adding to 33536040 its reverse (4063533), we get a palindrome (37599573).

The spelling of 33536040 in words is "thirty-three million, five hundred thirty-six thousand, forty".