499703040 has 288 divisors, whose sum is σ = 1869033600. Its totient is φ = 126074880.

The previous prime is 499703011. The next prime is 499703047. The reversal of 499703040 is 40307994.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 499702986 and 499703004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499703047) 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 31 ways as a sum of consecutive naturals, for example, 656260 + ... + 657020.

It is an arithmetic number, because the mean of its divisors is an integer number (6489700).

Almost surely, 2^499703040 is an apocalyptic number.

499703040 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 499703040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934516800).

499703040 is an abundant number, since it is smaller than the sum of its proper divisors (1369330560).

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

499703040 is a wasteful number, since it uses less digits than its factorization.

499703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 499703040 is about 22354.0385612980. The cubic root of 499703040 is about 793.5433633272.

The spelling of 499703040 in words is "four hundred ninety-nine million, seven hundred three thousand, forty".