499156992 has 288 divisors, whose sum is σ = 1609826400. Its totient is φ = 153944064.

The previous prime is 499156949. The next prime is 499156993. The reversal of 499156992 is 299651994.

499156992 is a `hidden beast` number, since 499 + 1 + 5 + 69 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (1574640) is a multiple of the sum of its prime divisors (81).

It is not an unprimeable number, because it can be changed into a prime (499156993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8460259 + ... + 8460317.

It is an arithmetic number, because the mean of its divisors is an integer number (5589675).

Almost surely, 2^499156992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499156992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804913200).

499156992 is an abundant number, since it is smaller than the sum of its proper divisors (1110669408).

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

499156992 is an equidigital number, since it uses as much as digits as its factorization.

499156992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 81 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 499156992 is about 22341.8215909088. The cubic root of 499156992 is about 793.2542111300.

The spelling of 499156992 in words is "four hundred ninety-nine million, one hundred fifty-six thousand, nine hundred ninety-two".