16053240 has 128 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 3537408.

The previous prime is 16053229. The next prime is 16053259. The reversal of 16053240 is 4235061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24031 + ... + 24689.

It is an arithmetic number, because the mean of its divisors is an integer number (445500).

Almost surely, 2^16053240 is an apocalyptic number.

16053240 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 16053240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28512000).

16053240 is an abundant number, since it is smaller than the sum of its proper divisors (40970760).

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

16053240 is a wasteful number, since it uses less digits than its factorization.

16053240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 16053240 is about 4006.6494730635. The cubic root of 16053240 is about 252.2633930333.

The spelling of 16053240 in words is "sixteen million, fifty-three thousand, two hundred forty".