16248040 has 32 divisors (see below), whose sum is σ = 38484000. Its totient is φ = 6156864.

The previous prime is 16248031. The next prime is 16248047. The reversal of 16248040 is 4084261.

It is a junction number, because it is equal to n+sod(n) for n = 16247996 and 16248014.

It is not an unprimeable number, because it can be changed into a prime (16248047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9930 + ... + 11449.

It is an arithmetic number, because the mean of its divisors is an integer number (1202625).

Almost surely, 2^16248040 is an apocalyptic number.

16248040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16248040 is an abundant number, since it is smaller than the sum of its proper divisors (22235960).

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

16248040 is a wasteful number, since it uses less digits than its factorization.

16248040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409 (or 21405 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 16248040 is about 4030.8857587384. The cubic root of 16248040 is about 253.2796669947.

The spelling of 16248040 in words is "sixteen million, two hundred forty-eight thousand, forty".