494243378 has 8 divisors (see below), whose sum is σ = 741722268. Its totient is φ = 247002624.

The previous prime is 494243359. The next prime is 494243381. The reversal of 494243378 is 873342494.

It can be written as a sum of positive squares in 2 ways, for example, as 345476569 + 148766809 = 18587^2 + 12197^2 .

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

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, 54251 + ... + 62702.

Almost surely, 2^494243378 is an apocalyptic number.

494243378 is a deficient number, since it is larger than the sum of its proper divisors (247478890).

494243378 is a wasteful number, since it uses less digits than its factorization.

494243378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119068.

The product of its digits is 580608, while the sum is 44.

The square root of 494243378 is about 22231.5851436644. The cubic root of 494243378 is about 790.6427381607.

The spelling of 494243378 in words is "four hundred ninety-four million, two hundred forty-three thousand, three hundred seventy-eight".