497400813616 has 80 divisors (see below), whose sum is σ = 1137965006848. Its totient is φ = 206104953600.

The previous prime is 497400813607. The next prime is 497400813661. The reversal of 497400813616 is 616318004794.

It is a self number, because there is not a number n which added to its sum of digits gives 497400813616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3729361 + ... + 3860431.

Almost surely, 2^497400813616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497400813616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568982503424).

497400813616 is an abundant number, since it is smaller than the sum of its proper divisors (640564193232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497400813616 is a wasteful number, since it uses less digits than its factorization.

497400813616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132210 (or 132204 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 497400813616 in words is "four hundred ninety-seven billion, four hundred million, eight hundred thirteen thousand, six hundred sixteen".