494278156 has 18 divisors (see below), whose sum is σ = 868790580. Its totient is φ = 246055320.

The previous prime is 494278133. The next prime is 494278171. The reversal of 494278156 is 651872494.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 865351 + ... + 865921.

Almost surely, 2^494278156 is an apocalyptic number.

It is an amenable number.

494278156 is a deficient number, since it is larger than the sum of its proper divisors (374512424).

494278156 is an equidigital number, since it uses as much as digits as its factorization.

494278156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 952 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 494278156 is about 22232.3673053501. The cubic root of 494278156 is about 790.6612825523.

The spelling of 494278156 in words is "four hundred ninety-four million, two hundred seventy-eight thousand, one hundred fifty-six".