4240040042 has 16 divisors (see below), whose sum is σ = 7280435520. Its totient is φ = 1814211168.

The previous prime is 4240040029. The next prime is 4240040083. The reversal of 4240040042 is 2400400424.

It is a junction number, because it is equal to n+sod(n) for n = 4240039996 and 4240040023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236792 + ... + 254067.

It is an arithmetic number, because the mean of its divisors is an integer number (455027220).

Almost surely, 2^4240040042 is an apocalyptic number.

4240040042 is a deficient number, since it is larger than the sum of its proper divisors (3040395478).

4240040042 is a wasteful number, since it uses less digits than its factorization.

4240040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491485.

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

The square root of 4240040042 is about 65115.5898537363. The cubic root of 4240040042 is about 1618.5395619725.

Adding to 4240040042 its reverse (2400400424), we get a palindrome (6640440466).

The spelling of 4240040042 in words is "four billion, two hundred forty million, forty thousand, forty-two".