499812480 has 192 divisors, whose sum is σ = 1817150400. Its totient is φ = 126240768.

The previous prime is 499812479. The next prime is 499812527. The reversal of 499812480 is 84218994.

499812480 is a `hidden beast` number, since 4 + 99 + 81 + 2 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107157 + ... + 111723.

It is an arithmetic number, because the mean of its divisors is an integer number (9464325).

Almost surely, 2^499812480 is an apocalyptic number.

499812480 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 499812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908575200).

499812480 is an abundant number, since it is smaller than the sum of its proper divisors (1317337920).

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

499812480 is a wasteful number, since it uses less digits than its factorization.

499812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4596 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 499812480 is about 22356.4863071101. The cubic root of 499812480 is about 793.6012904289.

The spelling of 499812480 in words is "four hundred ninety-nine million, eight hundred twelve thousand, four hundred eighty".