494873751680 has 384 divisors, whose sum is σ = 1507030660800. Its totient is φ = 153659842560.

The previous prime is 494873751661. The next prime is 494873751721. The reversal of 494873751680 is 86157378494.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95551331 + ... + 95556509.

Almost surely, 2^494873751680 is an apocalyptic number.

494873751680 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 494873751680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753515330400).

494873751680 is an abundant number, since it is smaller than the sum of its proper divisors (1012156909120).

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

494873751680 is a wasteful number, since it uses less digits than its factorization.

494873751680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 494873751680 in words is "four hundred ninety-four billion, eight hundred seventy-three million, seven hundred fifty-one thousand, six hundred eighty".