494898222400 has 168 divisors, whose sum is σ = 1231476466176. Its totient is φ = 195734784000.

The previous prime is 494898222353. The next prime is 494898222407. The reversal of 494898222400 is 4222898494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494898222407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156265617 + ... + 156268783.

Almost surely, 2^494898222400 is an apocalyptic number.

494898222400 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 494898222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615738233088).

494898222400 is an abundant number, since it is smaller than the sum of its proper divisors (736578243776).

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

494898222400 is a wasteful number, since it uses less digits than its factorization.

494898222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 494898222400 in words is "four hundred ninety-four billion, eight hundred ninety-eight million, two hundred twenty-two thousand, four hundred".