494508445 has 8 divisors (see below), whose sum is σ = 593643960. Its totient is φ = 395450880.

The previous prime is 494508431. The next prime is 494508449. The reversal of 494508445 is 544805494.

It can be written as a sum of positive squares in 4 ways, for example, as 34363044 + 460145401 = 5862^2 + 21451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494508445 - 2⁷ = 494508317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494508449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 31765.

It is an arithmetic number, because the mean of its divisors is an integer number (74205495).

Almost surely, 2^494508445 is an apocalyptic number.

It is an amenable number.

494508445 is a deficient number, since it is larger than the sum of its proper divisors (99135515).

494508445 is a wasteful number, since it uses less digits than its factorization.

494508445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38975.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 494508445 is about 22237.5458403125. The cubic root of 494508445 is about 790.7840557475.

The spelling of 494508445 in words is "four hundred ninety-four million, five hundred eight thousand, four hundred forty-five".