497143590 has 64 divisors (see below), whose sum is σ = 1235589120. Its totient is φ = 127883520.

The previous prime is 497143589. The next prime is 497143601. The reversal of 497143590 is 95341794.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379717 + ... + 381023.

It is an arithmetic number, because the mean of its divisors is an integer number (19306080).

Almost surely, 2^497143590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497143590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617794560).

497143590 is an abundant number, since it is smaller than the sum of its proper divisors (738445530).

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

497143590 is a wasteful number, since it uses less digits than its factorization.

497143590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 497143590 is about 22296.7170229162. The cubic root of 497143590 is about 792.1862159062.

The spelling of 497143590 in words is "four hundred ninety-seven million, one hundred forty-three thousand, five hundred ninety".