497207280 has 80 divisors (see below), whose sum is σ = 1577220480. Its totient is φ = 129502464.

The previous prime is 497207273. The next prime is 497207281. The reversal of 497207280 is 82702794.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497207281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13770 + ... + 34409.

It is an arithmetic number, because the mean of its divisors is an integer number (19715256).

Almost surely, 2^497207280 is an apocalyptic number.

497207280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497207280 is an abundant number, since it is smaller than the sum of its proper divisors (1080013200).

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

497207280 is a wasteful number, since it uses less digits than its factorization.

497207280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48238 (or 48232 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 497207280 is about 22298.1452143446. The cubic root of 497207280 is about 792.2200439501.

The spelling of 497207280 in words is "four hundred ninety-seven million, two hundred seven thousand, two hundred eighty".