497126520 has 192 divisors, whose sum is σ = 1800714240. Its totient is φ = 117907200.

The previous prime is 497126519. The next prime is 497126603. The reversal of 497126520 is 25621794.

497126520 is a `hidden beast` number, since 4 + 9 + 7 + 126 + 520 = 666.

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 47 ways as a sum of consecutive naturals, for example, 184785 + ... + 187455.

It is an arithmetic number, because the mean of its divisors is an integer number (9378720).

Almost surely, 2^497126520 is an apocalyptic number.

497126520 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 497126520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900357120).

497126520 is an abundant number, since it is smaller than the sum of its proper divisors (1303587720).

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

497126520 is a wasteful number, since it uses less digits than its factorization.

497126520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 497126520 is about 22296.3342278501. The cubic root of 497126520 is about 792.1771489258.

The spelling of 497126520 in words is "four hundred ninety-seven million, one hundred twenty-six thousand, five hundred twenty".