499995642 has 16 divisors (see below), whose sum is σ = 1001476512. Its totient is φ = 166417680.

The previous prime is 499995631. The next prime is 499995673. The reversal of 499995642 is 246599994.

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, 57484 + ... + 65607.

It is an arithmetic number, because the mean of its divisors is an integer number (62592282).

Almost surely, 2^499995642 is an apocalyptic number.

499995642 is an abundant number, since it is smaller than the sum of its proper divisors (501480870).

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

499995642 is a wasteful number, since it uses less digits than its factorization.

499995642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123773.

The product of its digits is 6298560, while the sum is 57.

The square root of 499995642 is about 22360.5823269431. The cubic root of 499995642 is about 793.6982200128.

The spelling of 499995642 in words is "four hundred ninety-nine million, nine hundred ninety-five thousand, six hundred forty-two".