499861120 has 256 divisors, whose sum is σ = 1423267200. Its totient is φ = 165888000.

The previous prime is 499861099. The next prime is 499861147. The reversal of 499861120 is 21168994.

It is a super-2 number, since 2×499861120² = 499722278575308800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 4949070 + ... + 4949170.

Almost surely, 2^499861120 is an apocalyptic number.

499861120 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 499861120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711633600).

499861120 is an abundant number, since it is smaller than the sum of its proper divisors (923406080).

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

499861120 is a wasteful number, since it uses less digits than its factorization.

499861120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 499861120 is about 22357.5741081183. The cubic root of 499861120 is about 793.6270330932.

The spelling of 499861120 in words is "four hundred ninety-nine million, eight hundred sixty-one thousand, one hundred twenty".