494451342 has 96 divisors (see below), whose sum is σ = 1343796480. Its totient is φ = 127647360.

The previous prime is 494451323. The next prime is 494451343. The reversal of 494451342 is 243154494.

It is a junction number, because it is equal to n+sod(n) for n = 494451297 and 494451306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494451343) 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 47 ways as a sum of consecutive naturals, for example, 247098 + ... + 249090.

It is an arithmetic number, because the mean of its divisors is an integer number (13997880).

Almost surely, 2^494451342 is an apocalyptic number.

494451342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 494451342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671898240).

494451342 is an abundant number, since it is smaller than the sum of its proper divisors (849345138).

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

494451342 is a wasteful number, since it uses less digits than its factorization.

494451342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2195 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 494451342 is about 22236.2618710969. The cubic root of 494451342 is about 790.7536161729.

The spelling of 494451342 in words is "four hundred ninety-four million, four hundred fifty-one thousand, three hundred forty-two".