497920320 has 168 divisors, whose sum is σ = 1734104736. Its totient is φ = 131116032.

The previous prime is 497920273. The next prime is 497920333. The reversal of 497920320 is 23029794.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237999 + ... + 240081.

It is an arithmetic number, because the mean of its divisors is an integer number (10322052).

Almost surely, 2^497920320 is an apocalyptic number.

497920320 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 497920320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867052368).

497920320 is an abundant number, since it is smaller than the sum of its proper divisors (1236184416).

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

497920320 is a wasteful number, since it uses less digits than its factorization.

497920320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 497920320 is about 22314.1282599164. The cubic root of 497920320 is about 792.5985680158.

The spelling of 497920320 in words is "four hundred ninety-seven million, nine hundred twenty thousand, three hundred twenty".