489157748268 has 48 divisors (see below), whose sum is σ = 1306143976704. Its totient is φ = 139574715840.

The previous prime is 489157748243. The next prime is 489157748309. The reversal of 489157748268 is 862847751984.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3782718 + ... + 3909893.

It is an arithmetic number, because the mean of its divisors is an integer number (27211332848).

Almost surely, 2^489157748268 is an apocalyptic number.

It is an amenable number.

489157748268 is an abundant number, since it is smaller than the sum of its proper divisors (816986228436).

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

489157748268 is a wasteful number, since it uses less digits than its factorization.

489157748268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693382 (or 7693380 counting only the distinct ones).

The product of its digits is 216760320, while the sum is 69.

The spelling of 489157748268 in words is "four hundred eighty-nine billion, one hundred fifty-seven million, seven hundred forty-eight thousand, two hundred sixty-eight".