499788000 has 144 divisors (see below), whose sum is σ = 1773875376. Its totient is φ = 133267200.

The previous prime is 499787993. The next prime is 499788017. The reversal of 499788000 is 887994.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is an unprimeable number.

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, 29059 + ... + 42941.

It is an arithmetic number, because the mean of its divisors is an integer number (12318579).

Almost surely, 2^499788000 is an apocalyptic number.

499788000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499788000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886937688).

499788000 is an abundant number, since it is smaller than the sum of its proper divisors (1274087376).

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

499788000 is a wasteful number, since it uses less digits than its factorization.

499788000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914 (or 13893 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 499788000 is about 22355.9388082898. The cubic root of 499788000 is about 793.5883337851.

The spelling of 499788000 in words is "four hundred ninety-nine million, seven hundred eighty-eight thousand".