497169280 has 64 divisors (see below), whose sum is σ = 1217598480. Its totient is φ = 194007040.

The previous prime is 497169251. The next prime is 497169287. The reversal of 497169280 is 82961794.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 497169280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497169287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16767 + ... + 35713.

Almost surely, 2^497169280 is an apocalyptic number.

497169280 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 497169280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608799240).

497169280 is an abundant number, since it is smaller than the sum of its proper divisors (720429200).

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

497169280 is a wasteful number, since it uses less digits than its factorization.

497169280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19007 (or 18995 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 497169280 is about 22297.2931092543. The cubic root of 497169280 is about 792.1998611345.

It can be divided in two parts, 49716 and 9280, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 497169280 in words is "four hundred ninety-seven million, one hundred sixty-nine thousand, two hundred eighty".