16040576 has 32 divisors (see below), whose sum is σ = 32267700. Its totient is φ = 7942144.

The previous prime is 16040569. The next prime is 16040603. The reversal of 16040576 is 67504061.

It can be written as a sum of positive squares in 2 ways, for example, as 10086976 + 5953600 = 3176^2 + 2440^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13910 + ... + 15018.

Almost surely, 2^16040576 is an apocalyptic number.

16040576 is a gapful number since it is divisible by the number (16) 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 16040576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16133850).

16040576 is an abundant number, since it is smaller than the sum of its proper divisors (16227124).

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

16040576 is a wasteful number, since it uses less digits than its factorization.

16040576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 16040576 is about 4005.0687884230. The cubic root of 16040576 is about 252.1970408194.

The spelling of 16040576 in words is "sixteen million, forty thousand, five hundred seventy-six".