499522500 has 135 divisors (see below), whose sum is σ = 1588507921. Its totient is φ = 132312000.

The previous prime is 499522481. The next prime is 499522501. The reversal of 499522500 is 5225994.

It is a happy number.

The square root of 499522500 is 22350.

It is a perfect power (a square), and thus also a powerful number.

499522500 is a `hidden beast` number, since 49 + 95 + 22 + 500 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 497379204 + 2143296 = 22302^2 + 1464^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499522501) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3352426 + ... + 3352574.

Almost surely, 2^499522500 is an apocalyptic number.

499522500 is the 22350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499522500

499522500 is an abundant number, since it is smaller than the sum of its proper divisors (1088985421).

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

499522500 is a wasteful number, since it uses less digits than its factorization.

499522500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The cubic root of 499522500 is about 793.4477841768.

Multiplying 499522500 by its sum of digits (36), we get a square (17982810000 = 134100²).

499522500 divided by its sum of digits (36) gives a square (13875625 = 3725²).

Multiplying 499522500 by its product of nonzero digits (32400), we get a square (16184529000000 = 4023000²).

It can be divided in two parts, 4995 and 22500, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 499522500 in words is "four hundred ninety-nine million, five hundred twenty-two thousand, five hundred".