492559140 has 96 divisors (see below), whose sum is σ = 1426158720. Its totient is φ = 126950400.

The previous prime is 492559087. The next prime is 492559147. The reversal of 492559140 is 41955294.

It is a super-2 number, since 2×492559140² = 485229012795079200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492559147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214800 + ... + 217080.

It is an arithmetic number, because the mean of its divisors is an integer number (14855820).

Almost surely, 2^492559140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492559140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713079360).

492559140 is an abundant number, since it is smaller than the sum of its proper divisors (933599580).

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

492559140 is a wasteful number, since it uses less digits than its factorization.

492559140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 492559140 is about 22193.6734228473. The cubic root of 492559140 is about 789.7436224099.

The spelling of 492559140 in words is "four hundred ninety-two million, five hundred fifty-nine thousand, one hundred forty".