33089040 has 80 divisors (see below), whose sum is σ = 113980800. Its totient is φ = 8823168.

The previous prime is 33089027. The next prime is 33089047. The reversal of 33089040 is 4098033.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33088995 and 33089013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33089047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (1424760).

Almost surely, 2^33089040 is an apocalyptic number.

33089040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33089040 is an abundant number, since it is smaller than the sum of its proper divisors (80891760).

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

33089040 is a wasteful number, since it uses less digits than its factorization.

33089040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 33089040 is about 5752.3073631370. The cubic root of 33089040 is about 321.0416576210.

The spelling of 33089040 in words is "thirty-three million, eighty-nine thousand, forty".