492143400 has 288 divisors, whose sum is σ = 1909252800. Its totient is φ = 111283200.

The previous prime is 492143381. The next prime is 492143413. The reversal of 492143400 is 4341294.

492143400 is a `hidden beast` number, since 49 + 214 + 3 + 400 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1751260 + ... + 1751540.

It is an arithmetic number, because the mean of its divisors is an integer number (6629350).

Almost surely, 2^492143400 is an apocalyptic number.

492143400 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 492143400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954626400).

492143400 is an abundant number, since it is smaller than the sum of its proper divisors (1417109400).

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

492143400 is a wasteful number, since it uses less digits than its factorization.

492143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 492143400 is about 22184.3052629556. The cubic root of 492143400 is about 789.5213679269.

Adding to 492143400 its reverse (4341294), we get a palindrome (496484694).

The spelling of 492143400 in words is "four hundred ninety-two million, one hundred forty-three thousand, four hundred".