499044140 has 96 divisors (see below), whose sum is σ = 1232146944. Its totient is φ = 166256640.

The previous prime is 499044127. The next prime is 499044173. The reversal of 499044140 is 41440994.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 499044140.

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 31 ways as a sum of consecutive naturals, for example, 778220 + ... + 778860.

It is an arithmetic number, because the mean of its divisors is an integer number (12834864).

Almost surely, 2^499044140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499044140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616073472).

499044140 is an abundant number, since it is smaller than the sum of its proper divisors (733102804).

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

499044140 is a wasteful number, since it uses less digits than its factorization.

499044140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 499044140 is about 22339.2958707297. The cubic root of 499044140 is about 793.1944256164.

The spelling of 499044140 in words is "four hundred ninety-nine million, forty-four thousand, one hundred forty".