16033240 has 32 divisors (see below), whose sum is σ = 36671760. Its totient is φ = 6307200.

The previous prime is 16033223. The next prime is 16033243. The reversal of 16033240 is 4233061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16033243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 5725.

Almost surely, 2^16033240 is an apocalyptic number.

16033240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16033240 is an abundant number, since it is smaller than the sum of its proper divisors (20638520).

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

16033240 is a wasteful number, since it uses less digits than its factorization.

16033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643 (or 6639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 16033240 is about 4004.1528442356. The cubic root of 16033240 is about 252.1585883431.

The spelling of 16033240 in words is "sixteen million, thirty-three thousand, two hundred forty".