497811456 has 114 divisors (see below), whose sum is σ = 1444934972. Its totient is φ = 165150720.

The previous prime is 497811439. The next prime is 497811481. The reversal of 497811456 is 654118794.

Its product of digits (241920) is a multiple of the sum of its prime divisors (216).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2359191 + ... + 2359401.

Almost surely, 2^497811456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497811456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722467486).

497811456 is an abundant number, since it is smaller than the sum of its proper divisors (947123516).

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

497811456 is an frugal number, since it uses more digits than its factorization.

497811456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 216 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 497811456 is about 22311.6887751689. The cubic root of 497811456 is about 792.5407999110.

The spelling of 497811456 in words is "four hundred ninety-seven million, eight hundred eleven thousand, four hundred fifty-six".