4890045442 has 4 divisors (see below), whose sum is σ = 7335068166. Its totient is φ = 2445022720.

The previous prime is 4890045397. The next prime is 4890045443. The reversal of 4890045442 is 2445400984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2607021481 + 2283023961 = 51059^2 + 47781^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4890045395 and 4890045404.

It is not an unprimeable number, because it can be changed into a prime (4890045443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222511359 + ... + 1222511362.

Almost surely, 2^4890045442 is an apocalyptic number.

4890045442 is a deficient number, since it is larger than the sum of its proper divisors (2445022724).

4890045442 is a wasteful number, since it uses less digits than its factorization.

4890045442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445022723.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 4890045442 is about 69928.8598648655. The cubic root of 4890045442 is about 1697.3482813640.

The spelling of 4890045442 in words is "four billion, eight hundred ninety million, forty-five thousand, four hundred forty-two".