4120643442 has 16 divisors (see below), whose sum is σ = 8507135232. Its totient is φ = 1329239760.

The previous prime is 4120643419. The next prime is 4120643467. The reversal of 4120643442 is 2443460214.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11076813 + ... + 11077184.

It is an arithmetic number, because the mean of its divisors is an integer number (531695952).

Almost surely, 2^4120643442 is an apocalyptic number.

4120643442 is an abundant number, since it is smaller than the sum of its proper divisors (4386491790).

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

4120643442 is a wasteful number, since it uses less digits than its factorization.

4120643442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22154033.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 4120643442 is about 64192.2381756549. The cubic root of 4120643442 is about 1603.2023677597.

It can be divided in two parts, 41206 and 43442, that added together give a palindrome (84648).

The spelling of 4120643442 in words is "four billion, one hundred twenty million, six hundred forty-three thousand, four hundred forty-two".