16052040 has 128 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 4207104.

The previous prime is 16052027. The next prime is 16052041. The reversal of 16052040 is 4025061.

It is a happy number.

16052040 is a `hidden beast` number, since 1 + 605 + 20 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (16052041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96037 + ... + 96203.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^16052040 is an apocalyptic number.

16052040 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 16052040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).

16052040 is an abundant number, since it is smaller than the sum of its proper divisors (38379960).

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

16052040 is a wasteful number, since it uses less digits than its factorization.

16052040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 16052040 is about 4006.4997192063. The cubic root of 16052040 is about 252.2571072074.

16052040 divided by its sum of digits (18) gives a triangular number (891780 = T₁₃₃₅).

The spelling of 16052040 in words is "sixteen million, fifty-two thousand, forty".