494870505984 has 120 divisors (see below), whose sum is σ = 1432212930720. Its totient is φ = 164496795648.

The previous prime is 494870505959. The next prime is 494870505989. The reversal of 494870505984 is 489505078494.

494870505984 is a `hidden beast` number, since 4 + 9 + 48 + 7 + 0 + 505 + 9 + 84 = 666.

It is not an unprimeable number, because it can be changed into a prime (494870505989) 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, 1504699 + ... + 1803845.

It is an arithmetic number, because the mean of its divisors is an integer number (11935107756).

Almost surely, 2^494870505984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494870505984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716106465360).

494870505984 is an abundant number, since it is smaller than the sum of its proper divisors (937342424736).

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

494870505984 is a wasteful number, since it uses less digits than its factorization.

494870505984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299530 (or 299511 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 494870505984 in words is "four hundred ninety-four billion, eight hundred seventy million, five hundred five thousand, nine hundred eighty-four".