494951081698560 has 576 divisors, whose sum is σ = 1729350540933120. Its totient is φ = 120102841221120.

The previous prime is 494951081698531. The next prime is 494951081698583. The reversal of 494951081698560 is 65896180159494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2163199524 + ... + 2163428316.

It is an arithmetic number, because the mean of its divisors is an integer number (3002344689120).

Almost surely, 2^{494951081698560} is an apocalyptic number.

494951081698560 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 494951081698560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864675270466560).

494951081698560 is an abundant number, since it is smaller than the sum of its proper divisors (1234399459234560).

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

494951081698560 is a wasteful number, since it uses less digits than its factorization.

494951081698560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229934 (or 229920 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 75.

The spelling of 494951081698560 in words is "four hundred ninety-four trillion, nine hundred fifty-one billion, eighty-one million, six hundred ninety-eight thousand, five hundred sixty".