490911768 has 48 divisors (see below), whose sum is σ = 1375405200. Its totient is φ = 157993920.

The previous prime is 490911763. The next prime is 490911803. The reversal of 490911768 is 867119094.

It is a happy number.

490911768 is a `hidden beast` number, since 490 + 91 + 1 + 76 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490911761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115468 + ... + 119643.

It is an arithmetic number, because the mean of its divisors is an integer number (28654275).

Almost surely, 2^490911768 is an apocalyptic number.

It is an amenable number.

490911768 is an abundant number, since it is smaller than the sum of its proper divisors (884493432).

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

490911768 is a wasteful number, since it uses less digits than its factorization.

490911768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235152 (or 235145 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 490911768 is about 22156.5287895013. The cubic root of 490911768 is about 788.8622022698.

The spelling of 490911768 in words is "four hundred ninety million, nine hundred eleven thousand, seven hundred sixty-eight".