494170272 has 144 divisors (see below), whose sum is σ = 1491654528. Its totient is φ = 154851840.

The previous prime is 494170231. The next prime is 494170273. The reversal of 494170272 is 272071494.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (494170273) 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 23 ways as a sum of consecutive naturals, for example, 403453 + ... + 404675.

It is an arithmetic number, because the mean of its divisors is an integer number (10358712).

Almost surely, 2^494170272 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 494170272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745827264).

494170272 is an abundant number, since it is smaller than the sum of its proper divisors (997484256).

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

494170272 is a wasteful number, since it uses less digits than its factorization.

494170272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 494170272 is about 22229.9408906097. The cubic root of 494170272 is about 790.6037536032.

The spelling of 494170272 in words is "four hundred ninety-four million, one hundred seventy thousand, two hundred seventy-two".