499455450 has 192 divisors, whose sum is σ = 1499904000. Its totient is φ = 121478400.

The previous prime is 499455443. The next prime is 499455457. The reversal of 499455450 is 54554994.

499455450 is a `hidden beast` number, since 4 + 9 + 94 + 554 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (499455443) and next prime (499455457).

It is a super-3 number, since 3×499455450³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499455396 and 499455405.

It is not an unprimeable number, because it can be changed into a prime (499455457) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2614855 + ... + 2615045.

It is an arithmetic number, because the mean of its divisors is an integer number (7812000).

Almost surely, 2^499455450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499455450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749952000).

499455450 is an abundant number, since it is smaller than the sum of its proper divisors (1000448550).

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

499455450 is a wasteful number, since it uses less digits than its factorization.

499455450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 499455450 is about 22348.4999496611. The cubic root of 499455450 is about 793.4122815688.

The spelling of 499455450 in words is "four hundred ninety-nine million, four hundred fifty-five thousand, four hundred fifty".