499840416 has 96 divisors (see below), whose sum is σ = 1521313920. Its totient is φ = 159363072.

The previous prime is 499840387. The next prime is 499840427. The reversal of 499840416 is 614048994.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×499840416³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7296 + ... + 32448.

It is an arithmetic number, because the mean of its divisors is an integer number (15847020).

Almost surely, 2^499840416 is an apocalyptic number.

499840416 is a gapful number since it is divisible by the number (46) 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 499840416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760656960).

499840416 is an abundant number, since it is smaller than the sum of its proper divisors (1021473504).

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

499840416 is a wasteful number, since it uses less digits than its factorization.

499840416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25195 (or 25181 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 499840416 is about 22357.1110835009. Note that the first 3 decimals coincide. The cubic root of 499840416 is about 793.6160757290.

The spelling of 499840416 in words is "four hundred ninety-nine million, eight hundred forty thousand, four hundred sixteen".