4640544042 has 16 divisors (see below), whose sum is σ = 9334738080. Its totient is φ = 1537906352.

The previous prime is 4640544023. The next prime is 4640544053. The reversal of 4640544042 is 2404450464.

It is a junction number, because it is equal to n+sod(n) for n = 4640543994 and 4640544012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234292 + ... + 2236367.

It is an arithmetic number, because the mean of its divisors is an integer number (583421130).

Almost surely, 2^4640544042 is an apocalyptic number.

4640544042 is an abundant number, since it is smaller than the sum of its proper divisors (4694194038).

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

4640544042 is a wasteful number, since it uses less digits than its factorization.

4640544042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470837.

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 4640544042 is about 68121.5387524386. The cubic root of 4640544042 is about 1667.9753682622.

The spelling of 4640544042 in words is "four billion, six hundred forty million, five hundred forty-four thousand, forty-two".