499811040 has 192 divisors, whose sum is σ = 1765048320. Its totient is φ = 132088320.

The previous prime is 499810963. The next prime is 499811063. The reversal of 499811040 is 40118994.

It is a super-2 number, since 2×499811040² = 499622151411763200, which contains 22 as substring.

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 = 499810986 and 499811004.

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 31 ways as a sum of consecutive naturals, for example, 548185 + ... + 549095.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 2^499811040 is an apocalyptic number.

499811040 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 499811040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882524160).

499811040 is an abundant number, since it is smaller than the sum of its proper divisors (1265237280).

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

499811040 is a wasteful number, since it uses less digits than its factorization.

499811040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 499811040 is about 22356.4541016683. The cubic root of 499811040 is about 793.6005282851.

The spelling of 499811040 in words is "four hundred ninety-nine million, eight hundred eleven thousand, forty".