497814660 has 144 divisors (see below), whose sum is σ = 1789796736. Its totient is φ = 113778432.

The previous prime is 497814601. The next prime is 497814677. The reversal of 497814660 is 66418794.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26704 + ... + 41336.

It is an arithmetic number, because the mean of its divisors is an integer number (12429144).

Almost surely, 2^497814660 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 497814660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894898368).

497814660 is an abundant number, since it is smaller than the sum of its proper divisors (1291982076).

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

497814660 is a wasteful number, since it uses less digits than its factorization.

497814660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664 (or 14650 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 497814660 is about 22311.7605759832. The cubic root of 497814660 is about 792.5425002169.

The spelling of 497814660 in words is "four hundred ninety-seven million, eight hundred fourteen thousand, six hundred sixty".