497729880 has 128 divisors (see below), whose sum is σ = 1682726400. Its totient is φ = 130838400.

The previous prime is 497729879. The next prime is 497729917. The reversal of 497729880 is 88927794.

497729880 is a `hidden beast` number, since 497 + 72 + 9 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73435 + ... + 79925.

It is an arithmetic number, because the mean of its divisors is an integer number (13146300).

Almost surely, 2^497729880 is an apocalyptic number.

497729880 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 497729880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841363200).

497729880 is an abundant number, since it is smaller than the sum of its proper divisors (1184996520).

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

497729880 is a wasteful number, since it uses less digits than its factorization.

497729880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 497729880 is about 22309.8606001920. The cubic root of 497729880 is about 792.4975065186.

The spelling of 497729880 in words is "four hundred ninety-seven million, seven hundred twenty-nine thousand, eight hundred eighty".