499129450 has 48 divisors (see below), whose sum is σ = 974223360. Its totient is φ = 190008000.

The previous prime is 499129409. The next prime is 499129453. The reversal of 499129450 is 54921994.

It is a junction number, because it is equal to n+sod(n) for n = 499129397 and 499129406.

It is not an unprimeable number, because it can be changed into a prime (499129453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91911 + ... + 97189.

It is an arithmetic number, because the mean of its divisors is an integer number (20296320).

Almost surely, 2^499129450 is an apocalyptic number.

499129450 is a deficient number, since it is larger than the sum of its proper divisors (475093910).

499129450 is a wasteful number, since it uses less digits than its factorization.

499129450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383 (or 5378 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 499129450 is about 22341.2052047332. The cubic root of 499129450 is about 793.2396210581.

The spelling of 499129450 in words is "four hundred ninety-nine million, one hundred twenty-nine thousand, four hundred fifty".