497743920 has 320 divisors, whose sum is σ = 1838453760. Its totient is φ = 123475968.

The previous prime is 497743919. The next prime is 497743949. The reversal of 497743920 is 29347794.

497743920 is a `hidden beast` number, since 497 + 74 + 3 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2136124 + ... + 2136356.

It is an arithmetic number, because the mean of its divisors is an integer number (5745168).

Almost surely, 2^497743920 is an apocalyptic number.

497743920 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 497743920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919226880).

497743920 is an abundant number, since it is smaller than the sum of its proper divisors (1340709840).

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

497743920 is a wasteful number, since it uses less digits than its factorization.

497743920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 497743920 is about 22310.1752570436. The cubic root of 497743920 is about 792.5049580573.

The spelling of 497743920 in words is "four hundred ninety-seven million, seven hundred forty-three thousand, nine hundred twenty".