494442492 has 12 divisors (see below), whose sum is σ = 1153699176. Its totient is φ = 164814160.

The previous prime is 494442469. The next prime is 494442499. The reversal of 494442492 is 294244494.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494442499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20601759 + ... + 20601782.

It is an arithmetic number, because the mean of its divisors is an integer number (96141598).

Almost surely, 2^494442492 is an apocalyptic number.

It is an amenable number.

494442492 is an abundant number, since it is smaller than the sum of its proper divisors (659256684).

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

494442492 is a wasteful number, since it uses less digits than its factorization.

494442492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41203548 (or 41203546 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 494442492 is about 22236.0628709311. The cubic root of 494442492 is about 790.7488983435.

The spelling of 494442492 in words is "four hundred ninety-four million, four hundred forty-two thousand, four hundred ninety-two".