16080240 has 80 divisors (see below), whose sum is σ = 54389376. Its totient is φ = 3897600.

The previous prime is 16080223. The next prime is 16080247. The reversal of 16080240 is 4208061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16080247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406 + ... + 5685.

Almost surely, 2^16080240 is an apocalyptic number.

16080240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16080240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27194688).

16080240 is an abundant number, since it is smaller than the sum of its proper divisors (38309136).

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

16080240 is a wasteful number, since it uses less digits than its factorization.

16080240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118 (or 6112 counting only the distinct ones).

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

The square root of 16080240 is about 4010.0174563211. The cubic root of 16080240 is about 252.4047413765.

The spelling of 16080240 in words is "sixteen million, eighty thousand, two hundred forty".