488491218 has 24 divisors (see below), whose sum is σ = 1073307456. Its totient is φ = 160536600.

The previous prime is 488491187. The next prime is 488491219. The reversal of 488491218 is 812194884.

488491218 is a `hidden beast` number, since 488 + 49 + 121 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (488491219) 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, 189838 + ... + 192393.

It is an arithmetic number, because the mean of its divisors is an integer number (44721144).

Almost surely, 2^488491218 is an apocalyptic number.

488491218 is an abundant number, since it is smaller than the sum of its proper divisors (584816238).

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

488491218 is a wasteful number, since it uses less digits than its factorization.

488491218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382310 (or 382307 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 488491218 is about 22101.8374349283. The cubic root of 488491218 is about 787.5635117333.

The spelling of 488491218 in words is "four hundred eighty-eight million, four hundred ninety-one thousand, two hundred eighteen".