499840444 has 24 divisors (see below), whose sum is σ = 880483968. Its totient is φ = 248280240.

The previous prime is 499840427. The next prime is 499840457. The reversal of 499840444 is 444048994.

It is a junction number, because it is equal to n+sod(n) for n = 499840394 and 499840403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550639 + ... + 551545.

It is an arithmetic number, because the mean of its divisors is an integer number (36686832).

Almost surely, 2^499840444 is an apocalyptic number.

It is an amenable number.

499840444 is a deficient number, since it is larger than the sum of its proper divisors (380643524).

499840444 is a wasteful number, since it uses less digits than its factorization.

499840444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 499840444 is about 22357.1117096999. Note that the first 3 decimals coincide. The cubic root of 499840444 is about 793.6160905479.

The spelling of 499840444 in words is "four hundred ninety-nine million, eight hundred forty thousand, four hundred forty-four".