497769680 has 40 divisors (see below), whose sum is σ = 1207636992. Its totient is φ = 190450304.

The previous prime is 497769653. The next prime is 497769683. The reversal of 497769680 is 86967794.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497769683) 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, 133424 + ... + 137103.

Almost surely, 2^497769680 is an apocalyptic number.

497769680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497769680 is an abundant number, since it is smaller than the sum of its proper divisors (709867312).

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

497769680 is a wasteful number, since it uses less digits than its factorization.

497769680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270563 (or 270557 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 497769680 is about 22310.7525646268. The cubic root of 497769680 is about 792.5186294619.

The spelling of 497769680 in words is "four hundred ninety-seven million, seven hundred sixty-nine thousand, six hundred eighty".