497018880 has 144 divisors (see below), whose sum is σ = 1722897540. Its totient is φ = 132513792.

The previous prime is 497018869. The next prime is 497018947. The reversal of 497018880 is 88810794.

497018880 is a `hidden beast` number, since 497 + 0 + 1 + 88 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 474891264 + 22127616 = 21792^2 + 4704^2 .

It is a tau number, because it is divible by the number of its divisors (144).

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 11 ways as a sum of consecutive naturals, for example, 89464 + ... + 94856.

Almost surely, 2^497018880 is an apocalyptic number.

497018880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497018880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (861448770).

497018880 is an abundant number, since it is smaller than the sum of its proper divisors (1225878660).

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

497018880 is a wasteful number, since it uses less digits than its factorization.

497018880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 497018880 is about 22293.9202474576. The cubic root of 497018880 is about 792.1199695828.

The spelling of 497018880 in words is "four hundred ninety-seven million, eighteen thousand, eight hundred eighty".