491124000 has 96 divisors (see below), whose sum is σ = 1608961536. Its totient is φ = 130963200.

The previous prime is 491123981. The next prime is 491124013. The reversal of 491124000 is 421194.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8464 + ... + 32463.

It is an arithmetic number, because the mean of its divisors is an integer number (16760016).

Almost surely, 2^491124000 is an apocalyptic number.

491124000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491124000 is an abundant number, since it is smaller than the sum of its proper divisors (1117837536).

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

491124000 is a wasteful number, since it uses less digits than its factorization.

491124000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40955 (or 40937 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 491124000 is about 22161.3176503564. The cubic root of 491124000 is about 788.9758667426.

Adding to 491124000 its reverse (421194), we get a palindrome (491545194).

The spelling of 491124000 in words is "four hundred ninety-one million, one hundred twenty-four thousand".