490625128 has 32 divisors (see below), whose sum is σ = 1052674560. Its totient is φ = 210000960.

The previous prime is 490625119. The next prime is 490625129. The reversal of 490625128 is 821526094.

It is not an unprimeable number, because it can be changed into a prime (490625129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42633 + ... + 52903.

It is an arithmetic number, because the mean of its divisors is an integer number (32896080).

Almost surely, 2^490625128 is an apocalyptic number.

It is an amenable number.

490625128 is an abundant number, since it is smaller than the sum of its proper divisors (562049432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490625128 is a wasteful number, since it uses less digits than its factorization.

490625128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137 (or 11133 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 490625128 is about 22150.0593227197. The cubic root of 490625128 is about 788.7086353082.

The spelling of 490625128 in words is "four hundred ninety million, six hundred twenty-five thousand, one hundred twenty-eight".