4002440042 has 8 divisors (see below), whose sum is σ = 6079656000. Its totient is φ = 1975888044.

The previous prime is 4002440011. The next prime is 4002440063. The reversal of 4002440042 is 2400442004.

4002440042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 4002439996 and 4002440023.

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, 12665792 + ... + 12666107.

It is an arithmetic number, because the mean of its divisors is an integer number (759957000).

Almost surely, 2^4002440042 is an apocalyptic number.

4002440042 is a deficient number, since it is larger than the sum of its proper divisors (2077215958).

4002440042 is a wasteful number, since it uses less digits than its factorization.

4002440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25331980.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4002440042 is about 63264.8404882206. The cubic root of 4002440042 is about 1587.7237634611.

Adding to 4002440042 its reverse (2400442004), we get a palindrome (6402882046).

It can be divided in two parts, 400 and 2440042, that added together give a palindrome (2440442).

The spelling of 4002440042 in words is "four billion, two million, four hundred forty thousand, forty-two".