4542320604144 has 40 divisors (see below), whose sum is σ = 11933215153920. Its totient is φ = 1488444038848.

The previous prime is 4542320604077. The next prime is 4542320604149. The reversal of 4542320604144 is 4414060232454.

It is a super-2 number, since 2×4542320604144² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542320604149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801960552 + ... + 801966215.

It is an arithmetic number, because the mean of its divisors is an integer number (298330378848).

Almost surely, 2^{4542320604144} is an apocalyptic number.

It is an amenable number.

4542320604144 is an abundant number, since it is smaller than the sum of its proper divisors (7390894549776).

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

4542320604144 is a wasteful number, since it uses less digits than its factorization.

4542320604144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603926837 (or 1603926831 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 4542320604144 its reverse (4414060232454), we get a palindrome (8956380836598).

The spelling of 4542320604144 in words is "four trillion, five hundred forty-two billion, three hundred twenty million, six hundred four thousand, one hundred forty-four".