494212400 has 90 divisors (see below), whose sum is σ = 1305226356. Its totient is φ = 179696000.

The previous prime is 494212361. The next prime is 494212417. The reversal of 494212400 is 4212494.

It is a self number, because there is not a number n which added to its sum of digits gives 494212400.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43295 + ... + 53505.

Almost surely, 2^494212400 is an apocalyptic number.

494212400 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 494212400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652613178).

494212400 is an abundant number, since it is smaller than the sum of its proper divisors (811013956).

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

494212400 is a wasteful number, since it uses less digits than its factorization.

494212400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251 (or 10229 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 494212400 is about 22230.8884212935. Note that the first 3 decimals coincide. The cubic root of 494212400 is about 790.6262192798.

Adding to 494212400 its reverse (4212494), we get a palindrome (498424894).

The spelling of 494212400 in words is "four hundred ninety-four million, two hundred twelve thousand, four hundred".