497609280 has 168 divisors, whose sum is σ = 1956157632. Its totient is φ = 113734656.

The previous prime is 497609279. The next prime is 497609291. The reversal of 497609280 is 82906794.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×497609280² = 495229991084236800, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 7819 + ... + 32501.

Almost surely, 2^497609280 is an apocalyptic number.

497609280 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 497609280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978078816).

497609280 is an abundant number, since it is smaller than the sum of its proper divisors (1458548352).

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

497609280 is a wasteful number, since it uses less digits than its factorization.

497609280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24713 (or 24700 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 497609280 is about 22307.1575957135. The cubic root of 497609280 is about 792.4334939397.

The spelling of 497609280 in words is "four hundred ninety-seven million, six hundred nine thousand, two hundred eighty".