494473671720 has 192 divisors, whose sum is σ = 1837190160000. Its totient is φ = 112987252224.

The previous prime is 494473671719. The next prime is 494473671751. The reversal of 494473671720 is 27176374494.

It is a happy number.

494473671720 is a `hidden beast` number, since 4 + 94 + 473 + 67 + 1 + 7 + 20 = 666.

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, 8511331 + ... + 8569229.

It is an arithmetic number, because the mean of its divisors is an integer number (9568698750).

Almost surely, 2^494473671720 is an apocalyptic number.

494473671720 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 494473671720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918595080000).

494473671720 is an abundant number, since it is smaller than the sum of its proper divisors (1342716488280).

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

494473671720 is a wasteful number, since it uses less digits than its factorization.

494473671720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61312 (or 61305 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 494473671720 in words is "four hundred ninety-four billion, four hundred seventy-three million, six hundred seventy-one thousand, seven hundred twenty".