494161272 has 96 divisors (see below), whose sum is σ = 1536912000. Its totient is φ = 141860160.

The previous prime is 494161271. The next prime is 494161303. The reversal of 494161272 is 272161494.

It is a happy number.

494161272 is a `hidden beast` number, since 494 + 161 + 2 + 7 + 2 = 666.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494161271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1372 + ... + 31467.

It is an arithmetic number, because the mean of its divisors is an integer number (16009500).

Almost surely, 2^494161272 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 494161272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768456000).

494161272 is an abundant number, since it is smaller than the sum of its proper divisors (1042750728).

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

494161272 is a wasteful number, since it uses less digits than its factorization.

494161272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32881 (or 32874 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 494161272 is about 22229.7384599999. The cubic root of 494161272 is about 790.5989539910.

The spelling of 494161272 in words is "four hundred ninety-four million, one hundred sixty-one thousand, two hundred seventy-two".