5042456890 has 8 divisors (see below), whose sum is σ = 9076422420. Its totient is φ = 2016982752.

The previous prime is 5042456863. The next prime is 5042456893. The reversal of 5042456890 is 986542405.

It can be written as a sum of positive squares in 2 ways, for example, as 4132046961 + 910409929 = 64281^2 + 30173^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5042456893) 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, 252122835 + ... + 252122854.

Almost surely, 2^5042456890 is an apocalyptic number.

5042456890 is a deficient number, since it is larger than the sum of its proper divisors (4033965530).

5042456890 is a wasteful number, since it uses less digits than its factorization.

5042456890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504245696.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 5042456890 is about 71010.2590475489. The cubic root of 5042456890 is about 1714.8023288451.

The spelling of 5042456890 in words is "five billion, forty-two million, four hundred fifty-six thousand, eight hundred ninety".