2016019044 has 60 divisors (see below), whose sum is σ = 5675689404. Its totient is φ = 620312256.

The previous prime is 2016019039. The next prime is 2016019067. The reversal of 2016019044 is 4409106102.

It can be written as a sum of positive squares in 2 ways, for example, as 1302488100 + 713530944 = 36090^2 + 26712^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2016018999 and 2016019017.

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 19 ways as a sum of consecutive naturals, for example, 235107 + ... + 243530.

Almost surely, 2^2016019044 is an apocalyptic number.

It is an amenable number.

2016019044 is an abundant number, since it is smaller than the sum of its proper divisors (3659670360).

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

2016019044 is a wasteful number, since it uses less digits than its factorization.

2016019044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478666 (or 478655 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2016019044 is about 44900.1007125819. The cubic root of 2016019044 is about 1263.2758973214.

It can be divided in two parts, 20160 and 19044, that added together give a square (39204 = 198²).

The spelling of 2016019044 in words is "two billion, sixteen million, nineteen thousand, forty-four".