4818640442 has 64 divisors (see below), whose sum is σ = 9125222400. Its totient is φ = 1853858880.

The previous prime is 4818640423. The next prime is 4818640459. The reversal of 4818640442 is 2440468184.

It is a self number, because there is not a number n which added to its sum of digits gives 4818640442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4901483 + ... + 4902465.

It is an arithmetic number, because the mean of its divisors is an integer number (142581600).

Almost surely, 2^4818640442 is an apocalyptic number.

4818640442 is a deficient number, since it is larger than the sum of its proper divisors (4306581958).

4818640442 is a wasteful number, since it uses less digits than its factorization.

4818640442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 196608, while the sum is 41.

The square root of 4818640442 is about 69416.4277530903. The cubic root of 4818640442 is about 1689.0461152965.

The spelling of 4818640442 in words is "four billion, eight hundred eighteen million, six hundred forty thousand, four hundred forty-two".