494446746240 has 768 divisors, whose sum is σ = 1964584627200. Its totient is φ = 113759354880.

The previous prime is 494446746197. The next prime is 494446746253. The reversal of 494446746240 is 42647644494.

It is a happy number.

494446746240 is a `hidden beast` number, since 4 + 9 + 4 + 4 + 4 + 6 + 7 + 4 + 624 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57670594 + ... + 57679166.

It is an arithmetic number, because the mean of its divisors is an integer number (2558052900).

Almost surely, 2^494446746240 is an apocalyptic number.

494446746240 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 494446746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (982292313600).

494446746240 is an abundant number, since it is smaller than the sum of its proper divisors (1470137880960).

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

494446746240 is a wasteful number, since it uses less digits than its factorization.

494446746240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8665 (or 8650 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 54.

The spelling of 494446746240 in words is "four hundred ninety-four billion, four hundred forty-six million, seven hundred forty-six thousand, two hundred forty".