494078518 has 8 divisors (see below), whose sum is σ = 745556112. Its totient is φ = 245559816.

The previous prime is 494078513. The next prime is 494078549. The reversal of 494078518 is 815870494.

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

It is a super-2 number, since 2×494078518² = 488227163898152648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494078513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739305 + ... + 739972.

It is an arithmetic number, because the mean of its divisors is an integer number (93194514).

Almost surely, 2^494078518 is an apocalyptic number.

494078518 is a deficient number, since it is larger than the sum of its proper divisors (251477594).

494078518 is a wasteful number, since it uses less digits than its factorization.

494078518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479446.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 494078518 is about 22227.8770466277. The cubic root of 494078518 is about 790.5548193586.

The spelling of 494078518 in words is "four hundred ninety-four million, seventy-eight thousand, five hundred eighteen".