489493974901248 has 240 divisors, whose sum is σ = 1465106603696736. Its totient is φ = 163156733706240.

The previous prime is 489493974901247. The next prime is 489493974901273. The reversal of 489493974901248 is 842109479394984.

489493974901248 is a `hidden beast` number, since 4 + 8 + 9 + 49 + 39 + 7 + 490 + 12 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (489493974901241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2920332963 + ... + 2920500573.

Almost surely, 2^{489493974901248} is an apocalyptic number.

489493974901248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489493974901248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732553301848368).

489493974901248 is an abundant number, since it is smaller than the sum of its proper divisors (975612628795488).

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

489493974901248 is an equidigital number, since it uses as much as digits as its factorization.

489493974901248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191117 (or 191089 counting only the distinct ones).

The product of its (nonzero) digits is 4514807808, while the sum is 81.

The spelling of 489493974901248 in words is "four hundred eighty-nine trillion, four hundred ninety-three billion, nine hundred seventy-four million, nine hundred one thousand, two hundred forty-eight".