494870686240 has 288 divisors, whose sum is σ = 1373559223680. Its totient is φ = 168479668224.

The previous prime is 494870686223. The next prime is 494870686241. The reversal of 494870686240 is 42686078494.

It is not an unprimeable number, because it can be changed into a prime (494870686241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438325996 + ... + 438327124.

It is an arithmetic number, because the mean of its divisors is an integer number (4769302860).

Almost surely, 2^494870686240 is an apocalyptic number.

494870686240 is a gapful number since it is divisible by the number (40) 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 494870686240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686779611840).

494870686240 is an abundant number, since it is smaller than the sum of its proper divisors (878688537440).

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

494870686240 is an equidigital number, since it uses as much as digits as its factorization.

494870686240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 494870686240 in words is "four hundred ninety-four billion, eight hundred seventy million, six hundred eighty-six thousand, two hundred forty".