2016303840 has 120 divisors (see below), whose sum is σ = 7115918040. Its totient is φ = 537677568.

The previous prime is 2016303803. The next prime is 2016303881. The reversal of 2016303840 is 483036102.

It is a happy number.

2016303840 is a `hidden beast` number, since 20 + 1 + 630 + 3 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64830 + ... + 90749.

It is an arithmetic number, because the mean of its divisors is an integer number (59299317).

Almost surely, 2^2016303840 is an apocalyptic number.

2016303840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016303840 is an abundant number, since it is smaller than the sum of its proper divisors (5099614200).

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

2016303840 is a wasteful number, since it uses less digits than its factorization.

2016303840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155606 (or 155589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2016303840 is about 44903.2720411330. The cubic root of 2016303840 is about 1263.3353807182.

Adding to 2016303840 its reverse (483036102), we get a palindrome (2499339942).

The spelling of 2016303840 in words is "two billion, sixteen million, three hundred three thousand, eight hundred forty".