16033040 has 40 divisors (see below), whose sum is σ = 39472920. Its totient is φ = 6035456.

The previous prime is 16033021. The next prime is 16033051. The reversal of 16033040 is 4033061.

It can be written as a sum of positive squares in 4 ways, for example, as 414736 + 15618304 = 644^2 + 3952^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535 + ... + 7254.

It is an arithmetic number, because the mean of its divisors is an integer number (986823).

Almost surely, 2^16033040 is an apocalyptic number.

16033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16033040 is an abundant number, since it is smaller than the sum of its proper divisors (23439880).

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

16033040 is a wasteful number, since it uses less digits than its factorization.

16033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819 (or 11813 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 16033040 is about 4004.1278700861. The cubic root of 16033040 is about 252.1575398561.

The spelling of 16033040 in words is "sixteen million, thirty-three thousand, forty".