497136320 has 56 divisors (see below), whose sum is σ = 1200534048. Its totient is φ = 196044800.

The previous prime is 497136317. The next prime is 497136337. The reversal of 497136320 is 23631794.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11780 + ... + 33660.

It is an arithmetic number, because the mean of its divisors is an integer number (21438108).

Almost surely, 2^497136320 is an apocalyptic number.

497136320 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 497136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600267024).

497136320 is an abundant number, since it is smaller than the sum of its proper divisors (703397728).

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

497136320 is a wasteful number, since it uses less digits than its factorization.

497136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21969 (or 21959 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 497136320 is about 22296.5539938350. The cubic root of 497136320 is about 792.1823543646.

The spelling of 497136320 in words is "four hundred ninety-seven million, one hundred thirty-six thousand, three hundred twenty".