4542455938 has 8 divisors (see below), whose sum is σ = 6835179132. Its totient is φ = 2264062896.

The previous prime is 4542455933. The next prime is 4542455987. The reversal of 4542455938 is 8395542454.

It can be written as a sum of positive squares in 2 ways, for example, as 4304278449 + 238177489 = 65607^2 + 15433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4542455891 and 4542455900.

It is not an unprimeable number, because it can be changed into a prime (4542455933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581745 + ... + 3583012.

Almost surely, 2^4542455938 is an apocalyptic number.

4542455938 is a deficient number, since it is larger than the sum of its proper divisors (2292723194).

4542455938 is a wasteful number, since it uses less digits than its factorization.

4542455938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165076.

The product of its digits is 3456000, while the sum is 49.

The square root of 4542455938 is about 67397.7443094352. The cubic root of 4542455938 is about 1656.1394705535.

The spelling of 4542455938 in words is "four billion, five hundred forty-two million, four hundred fifty-five thousand, nine hundred thirty-eight".