499894560 has 432 divisors, whose sum is σ = 1986828480. Its totient is φ = 114048000.

The previous prime is 499894543. The next prime is 499894589. The reversal of 499894560 is 65498994.

499894560 is a `hidden beast` number, since 499 + 8 + 94 + 5 + 60 = 666.

It is a super-2 number, since 2×499894560² = 499789142235187200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 499894497 and 499894506.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3310485 + ... + 3310635.

It is an arithmetic number, because the mean of its divisors is an integer number (4599140).

Almost surely, 2^499894560 is an apocalyptic number.

499894560 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 499894560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993414240).

499894560 is an abundant number, since it is smaller than the sum of its proper divisors (1486933920).

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

499894560 is a wasteful number, since it uses less digits than its factorization.

499894560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 499894560 is about 22358.3219406108. The cubic root of 499894560 is about 793.6447302062.

The spelling of 499894560 in words is "four hundred ninety-nine million, eight hundred ninety-four thousand, five hundred sixty".