16040530 has 16 divisors (see below), whose sum is σ = 31497984. Its totient is φ = 5832880.

The previous prime is 16040513. The next prime is 16040569. The reversal of 16040530 is 3504061.

It is a junction number, because it is equal to n+sod(n) for n = 16040498 and 16040507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72802 + ... + 73021.

It is an arithmetic number, because the mean of its divisors is an integer number (1968624).

Almost surely, 2^16040530 is an apocalyptic number.

16040530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16040530 is a deficient number, since it is larger than the sum of its proper divisors (15457454).

16040530 is a wasteful number, since it uses less digits than its factorization.

16040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145841.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 16040530 is about 4005.0630456960. The cubic root of 16040530 is about 252.1967997417.

Adding to 16040530 its reverse (3504061), we get a palindrome (19544591).

The spelling of 16040530 in words is "sixteen million, forty thousand, five hundred thirty".