33240528 has 60 divisors (see below), whose sum is σ = 93431520. Its totient is φ = 11032128.

The previous prime is 33240503. The next prime is 33240533. The reversal of 33240528 is 82504233.

It is a super-2 number, since 2×33240528² = 2209865403437568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51375 + ... + 52017.

It is an arithmetic number, because the mean of its divisors is an integer number (1557192).

Almost surely, 2^33240528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33240528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46715760).

33240528 is an abundant number, since it is smaller than the sum of its proper divisors (60190992).

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

33240528 is a wasteful number, since it uses less digits than its factorization.

33240528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 33240528 is about 5765.4599122707. The cubic root of 33240528 is about 321.5308420386.

The spelling of 33240528 in words is "thirty-three million, two hundred forty thousand, five hundred twenty-eight".