2001040242 has 8 divisors (see below), whose sum is σ = 4002080496. Its totient is φ = 667013412.

The previous prime is 2001040207. The next prime is 2001040289. The reversal of 2001040242 is 2420401002.

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

2001040242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166753348 + ... + 166753359.

It is an arithmetic number, because the mean of its divisors is an integer number (500260062).

Almost surely, 2^2001040242 is an apocalyptic number.

2001040242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2001040242 is a wasteful number, since it uses less digits than its factorization.

2001040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333506712.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2001040242 is about 44732.9882972287. The cubic root of 2001040242 is about 1260.1394491667.

Adding to 2001040242 its reverse (2420401002), we get a palindrome (4421441244).

The spelling of 2001040242 in words is "two billion, one million, forty thousand, two hundred forty-two".