16002240 has 112 divisors (see below), whose sum is σ = 51694080. Its totient is φ = 4193280.

The previous prime is 16002221. The next prime is 16002263. The reversal of 16002240 is 4220061.

16002240 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75735 + ... + 75945.

Almost surely, 2^16002240 is an apocalyptic number.

16002240 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 16002240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25847040).

16002240 is an abundant number, since it is smaller than the sum of its proper divisors (35691840).

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

16002240 is a wasteful number, since it uses less digits than its factorization.

16002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 16002240 is about 4000.2799902007. The cubic root of 16002240 is about 251.9959686934.

The spelling of 16002240 in words is "sixteen million, two thousand, two hundred forty".