16040340828 has 18 divisors (see below), whose sum is σ = 40546417184. Its totient is φ = 5346780264.

The previous prime is 16040340817. The next prime is 16040340839. The reversal of 16040340828 is 82804304061.

16040340828 is a `hidden beast` number, since 1 + 604 + 0 + 3 + 40 + 8 + 2 + 8 = 666.

16040340828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16040340817) and next prime (16040340839).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 445565023 = 16040340828 / (1 + 6 + 0 + 4 + 0 + 3 + 4 + 0 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 16040340792 and 16040340801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222782476 + ... + 222782547.

Almost surely, 2^16040340828 is an apocalyptic number.

16040340828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16040340828 is an abundant number, since it is smaller than the sum of its proper divisors (24506076356).

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

16040340828 is a wasteful number, since it uses less digits than its factorization.

16040340828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445565033 (or 445565028 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

Adding to 16040340828 its reverse (82804304061), we get a palindrome (98844644889).

The spelling of 16040340828 in words is "sixteen billion, forty million, three hundred forty thousand, eight hundred twenty-eight".