2016501040 has 40 divisors (see below), whose sum is σ = 4733902368. Its totient is φ = 798766080.

The previous prime is 2016501023. The next prime is 2016501061. The reversal of 2016501040 is 401056102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2016500999 and 2016501017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114121 + ... + 130600.

Almost surely, 2^2016501040 is an apocalyptic number.

2016501040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016501040 is an abundant number, since it is smaller than the sum of its proper divisors (2717401328).

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

2016501040 is a wasteful number, since it uses less digits than its factorization.

2016501040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244837 (or 244831 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2016501040 is about 44905.4678185185. The cubic root of 2016501040 is about 1263.3765652545.

Adding to 2016501040 its reverse (401056102), we get a palindrome (2417557142).

The spelling of 2016501040 in words is "two billion, sixteen million, five hundred one thousand, forty".