494718494400 has 336 divisors, whose sum is σ = 1942159895200. Its totient is φ = 121776721920.

The previous prime is 494718494399. The next prime is 494718494423. The reversal of 494718494400 is 4494817494.

It is a happy number.

494718494400 is a `hidden beast` number, since 4 + 9 + 4 + 71 + 84 + 94 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 121146 + ... + 1002054.

Almost surely, 2^494718494400 is an apocalyptic number.

494718494400 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 494718494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971079947600).

494718494400 is an abundant number, since it is smaller than the sum of its proper divisors (1447441400800).

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

494718494400 is a wasteful number, since it uses less digits than its factorization.

494718494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880953 (or 880932 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 494718494400 in words is "four hundred ninety-four billion, seven hundred eighteen million, four hundred ninety-four thousand, four hundred".