4000242 has 8 divisors (see below), whose sum is σ = 8000496. Its totient is φ = 1333412.

The previous prime is 4000237. The next prime is 4000261. The reversal of 4000242 is 2420004.

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

4000242 is an admirable number.

It is an Ulam 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, 333348 + ... + 333359.

It is an arithmetic number, because the mean of its divisors is an integer number (1000062).

Almost surely, 2^4000242 is an apocalyptic number.

4000242 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.

4000242 is a wasteful number, since it uses less digits than its factorization.

4000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666712.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4000242 is about 2000.0604990850. The cubic root of 4000242 is about 158.7433063911.

Adding to 4000242 its reverse (2420004), we get a palindrome (6420246).

The spelling of 4000242 in words is "four million, two hundred forty-two", and thus it is an aban number.