491614242 has 32 divisors (see below), whose sum is σ = 1140467712. Its totient is φ = 138363984.

The previous prime is 491614217. The next prime is 491614243. The reversal of 491614242 is 242416194.

It is not an unprimeable number, because it can be changed into a prime (491614243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 84538 + ... + 90165.

It is an arithmetic number, because the mean of its divisors is an integer number (35639616).

Almost surely, 2^491614242 is an apocalyptic number.

491614242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

491614242 is an abundant number, since it is smaller than the sum of its proper divisors (648853470).

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

491614242 is a wasteful number, since it uses less digits than its factorization.

491614242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174782.

The product of its digits is 13824, while the sum is 33.

The square root of 491614242 is about 22172.3756507957. The cubic root of 491614242 is about 789.2382990951.

The spelling of 491614242 in words is "four hundred ninety-one million, six hundred fourteen thousand, two hundred forty-two".