489811216216560 has 160 divisors (see below), whose sum is σ = 1735362443123712. Its totient is φ = 111954831544320.

The previous prime is 489811216216513. The next prime is 489811216216561. The reversal of 489811216216560 is 65612612118984.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 489811216216494 and 489811216216503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489811216216561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91616677 + ... + 96815483.

Almost surely, 2^{489811216216560} is an apocalyptic number.

489811216216560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489811216216560 is an abundant number, since it is smaller than the sum of its proper divisors (1245551226907152).

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

489811216216560 is a wasteful number, since it uses less digits than its factorization.

489811216216560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254911 (or 5254905 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 489811216216560 in words is "four hundred eighty-nine trillion, eight hundred eleven billion, two hundred sixteen million, two hundred sixteen thousand, five hundred sixty".