494445172 has 12 divisors (see below), whose sum is σ = 931839076. Its totient is φ = 228205440.

The previous prime is 494445169. The next prime is 494445223. The reversal of 494445172 is 271544494.

It can be written as a sum of positive squares in 2 ways, for example, as 71978256 + 422466916 = 8484^2 + 20554^2 .

It is a super-2 number, since 2×494445172² = 488952056228219168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754229 + ... + 4754332.

Almost surely, 2^494445172 is an apocalyptic number.

It is an amenable number.

494445172 is a deficient number, since it is larger than the sum of its proper divisors (437393904).

494445172 is a wasteful number, since it uses less digits than its factorization.

494445172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508578 (or 9508576 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 494445172 is about 22236.1231333162. The cubic root of 494445172 is about 790.7503270254.

The spelling of 494445172 in words is "four hundred ninety-four million, four hundred forty-five thousand, one hundred seventy-two".