2005015042 has 8 divisors (see below), whose sum is σ = 3009596796. Its totient is φ = 1001816112.

The previous prime is 2005015031. The next prime is 2005015043. The reversal of 2005015042 is 2405105002.

It can be written as a sum of positive squares in 2 ways, for example, as 1807865361 + 197149681 = 42519^2 + 14041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2005015043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342073 + ... + 347884.

Almost surely, 2^2005015042 is an apocalyptic number.

2005015042 is a deficient number, since it is larger than the sum of its proper divisors (1004581754).

2005015042 is a wasteful number, since it uses less digits than its factorization.

2005015042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691412.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2005015042 is about 44777.3943190088. The cubic root of 2005015042 is about 1260.9732637319.

The spelling of 2005015042 in words is "two billion, five million, fifteen thousand, forty-two".