499555000 has 120 divisors (see below), whose sum is σ = 1362220200. Its totient is φ = 171192000.

The previous prime is 499554997. The next prime is 499555031. The reversal of 499555000 is 555994.

It is a super-5 number, since 5×499555000⁵ (a number of 45 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 243981 + ... + 246019.

It is an arithmetic number, because the mean of its divisors is an integer number (11351835).

Almost surely, 2^499555000 is an apocalyptic number.

499555000 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 499555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681110100).

499555000 is an abundant number, since it is smaller than the sum of its proper divisors (862665200).

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

499555000 is a wasteful number, since it uses less digits than its factorization.

499555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 499555000 is about 22350.7270575254. The cubic root of 499555000 is about 793.4649916057.

It can be divided in two parts, 4995 and 55000, that added together give a palindrome (59995).

The spelling of 499555000 in words is "four hundred ninety-nine million, five hundred fifty-five thousand".