490218028 has 6 divisors (see below), whose sum is σ = 857881556. Its totient is φ = 245109012.

The previous prime is 490218023. The next prime is 490218049. The reversal of 490218028 is 820812094.

It is a junction number, because it is equal to n+sod(n) for n = 490217984 and 490218002.

It is not an unprimeable number, because it can be changed into a prime (490218023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277250 + ... + 61277257.

Almost surely, 2^490218028 is an apocalyptic number.

It is an amenable number.

490218028 is a deficient number, since it is larger than the sum of its proper divisors (367663528).

490218028 is a wasteful number, since it uses less digits than its factorization.

490218028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122554511 (or 122554509 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 490218028 is about 22140.8678240036. The cubic root of 490218028 is about 788.4904292447.

The spelling of 490218028 in words is "four hundred ninety million, two hundred eighteen thousand, twenty-eight".