497865440 has 24 divisors (see below), whose sum is σ = 1176207480. Its totient is φ = 199146112.

The previous prime is 497865427. The next prime is 497865443. The reversal of 497865440 is 44568794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497865443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555670 + ... + 1555989.

It is an arithmetic number, because the mean of its divisors is an integer number (49008645).

Almost surely, 2^497865440 is an apocalyptic number.

497865440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497865440 is an abundant number, since it is smaller than the sum of its proper divisors (678342040).

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

497865440 is a wasteful number, since it uses less digits than its factorization.

497865440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111674 (or 3111666 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 497865440 is about 22312.8985118474. The cubic root of 497865440 is about 792.5694472871.

The spelling of 497865440 in words is "four hundred ninety-seven million, eight hundred sixty-five thousand, four hundred forty".