499965570 has 96 divisors (see below), whose sum is σ = 1405220544. Its totient is φ = 122601600.

The previous prime is 499965569. The next prime is 499965607. The reversal of 499965570 is 75569994.

499965570 is a `hidden beast` number, since 4 + 9 + 9 + 9 + 65 + 570 = 666.

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, 386625 + ... + 387915.

It is an arithmetic number, because the mean of its divisors is an integer number (14637714).

Almost surely, 2^499965570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499965570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702610272).

499965570 is an abundant number, since it is smaller than the sum of its proper divisors (905254974).

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

499965570 is a wasteful number, since it uses less digits than its factorization.

499965570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The square root of 499965570 is about 22359.9098835393. The cubic root of 499965570 is about 793.6823074932.

The spelling of 499965570 in words is "four hundred ninety-nine million, nine hundred sixty-five thousand, five hundred seventy".