4542120444 has 96 divisors (see below), whose sum is σ = 11293891840. Its totient is φ = 1418715648.

The previous prime is 4542120421. The next prime is 4542120463. The reversal of 4542120444 is 4440212454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392087 + ... + 1395345.

Almost surely, 2^4542120444 is an apocalyptic number.

It is an amenable number.

4542120444 is an abundant number, since it is smaller than the sum of its proper divisors (6751771396).

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

4542120444 is a wasteful number, since it uses less digits than its factorization.

4542120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 4542120444 is about 67395.2553522872. The cubic root of 4542120444 is about 1656.0986968294.

Adding to 4542120444 its reverse (4440212454), we get a palindrome (8982332898).

The spelling of 4542120444 in words is "four billion, five hundred forty-two million, one hundred twenty thousand, four hundred forty-four".