16080440 has 32 divisors (see below), whose sum is σ = 36683280. Its totient is φ = 6342912.

The previous prime is 16080437. The next prime is 16080451. The reversal of 16080440 is 4408061.

16080440 = 995² + 996² + ... + 1010².

It is a happy number.

It is a congruent number.

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, 167 + ... + 5673.

Almost surely, 2^16080440 is an apocalyptic number.

16080440 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 16080440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18341640).

16080440 is an abundant number, since it is smaller than the sum of its proper divisors (20602840).

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

16080440 is a wasteful number, since it uses less digits than its factorization.

16080440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 16080440 is about 4010.0423937909. The cubic root of 16080440 is about 252.4057878107.

The spelling of 16080440 in words is "sixteen million, eighty thousand, four hundred forty".