490740728 has 16 divisors (see below), whose sum is σ = 923140680. Its totient is φ = 244569888.

The previous prime is 490740671. The next prime is 490740739. The reversal of 490740728 is 827047094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97451 + ... + 102362.

Almost surely, 2^490740728 is an apocalyptic number.

It is an amenable number.

490740728 is a deficient number, since it is larger than the sum of its proper divisors (432399952).

490740728 is a wasteful number, since it uses less digits than its factorization.

490740728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200126 (or 200122 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 490740728 is about 22152.6686428520. The cubic root of 490740728 is about 788.7705750345.

The spelling of 490740728 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred twenty-eight".