16008240 has 40 divisors (see below), whose sum is σ = 49626288. Its totient is φ = 4268800.

The previous prime is 16008233. The next prime is 16008263. The reversal of 16008240 is 4280061.

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

It is a nialpdrome in base 16.

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, 33111 + ... + 33590.

Almost surely, 2^16008240 is an apocalyptic number.

16008240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16008240 is an abundant number, since it is smaller than the sum of its proper divisors (33618048).

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

16008240 is a wasteful number, since it uses less digits than its factorization.

16008240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66717 (or 66711 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 16008240 is about 4001.0298674216. The cubic root of 16008240 is about 252.0274598446.

The spelling of 16008240 in words is "sixteen million, eight thousand, two hundred forty".