497444618 has 8 divisors (see below), whose sum is σ = 814000320. Its totient is φ = 226111180.

The previous prime is 497444587. The next prime is 497444639. The reversal of 497444618 is 816444794.

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

It is a super-2 number, since 2×497444618² = 494902295954331848, which contains 22 as substring.

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, 11305538 + ... + 11305581.

It is an arithmetic number, because the mean of its divisors is an integer number (101750040).

Almost surely, 2^497444618 is an apocalyptic number.

497444618 is a deficient number, since it is larger than the sum of its proper divisors (316555702).

497444618 is a wasteful number, since it uses less digits than its factorization.

497444618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611132.

The product of its digits is 774144, while the sum is 47.

The square root of 497444618 is about 22303.4665018692. The cubic root of 497444618 is about 792.3460772425.

The spelling of 497444618 in words is "four hundred ninety-seven million, four hundred forty-four thousand, six hundred eighteen".