497445084864 has 1680 divisors, whose sum is σ = 2014435196928. Its totient is φ = 117949353984.

The previous prime is 497445084847. The next prime is 497445084923. The reversal of 497445084864 is 468480544794.

497445084864 is a `hidden beast` number, since 4 + 9 + 7 + 44 + 508 + 4 + 86 + 4 = 666.

It is a super-2 number, since 2×497445084864² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3916890369 + ... + 3916890495.

Almost surely, 2^497445084864 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 497445084864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007217598464).

497445084864 is an abundant number, since it is smaller than the sum of its proper divisors (1516990112064).

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

497445084864 is a wasteful number, since it uses less digits than its factorization.

497445084864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 63.

The spelling of 497445084864 in words is "four hundred ninety-seven billion, four hundred forty-five million, eighty-four thousand, eight hundred sixty-four".