16057040 has 20 divisors (see below), whose sum is σ = 37332804. Its totient is φ = 6422784.

The previous prime is 16057037. The next prime is 16057079. The reversal of 16057040 is 4075061.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 3297856 = 3572^2 + 1816^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 16056997 and 16057015.

It is a congruent number.

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, 100277 + ... + 100436.

Almost surely, 2^16057040 is an apocalyptic number.

16057040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16057040 is an abundant number, since it is smaller than the sum of its proper divisors (21275764).

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

16057040 is a wasteful number, since it uses less digits than its factorization.

16057040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200726 (or 200720 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 16057040 is about 4007.1236566894. The cubic root of 16057040 is about 252.2832960822.

The spelling of 16057040 in words is "sixteen million, fifty-seven thousand, forty".