16017040 has 40 divisors (see below), whose sum is σ = 40106808. Its totient is φ = 5913600.

The previous prime is 16017037. The next prime is 16017047. The reversal of 16017040 is 4071061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3400336 + 12616704 = 1844^2 + 3552^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16016999 and 16017017.

It is not an unprimeable number, because it can be changed into a prime (16017047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6661 + ... + 8740.

Almost surely, 2^16017040 is an apocalyptic number.

16017040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16017040 is an abundant number, since it is smaller than the sum of its proper divisors (24089768).

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

16017040 is a wasteful number, since it uses less digits than its factorization.

16017040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427 (or 15421 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 16017040 is about 4002.1294331893. The cubic root of 16017040 is about 252.0736326360.

The spelling of 16017040 in words is "sixteen million, seventeen thousand, forty".