499140312 has 64 divisors (see below), whose sum is σ = 1367452800. Its totient is φ = 150570240.

The previous prime is 499140311. The next prime is 499140371. The reversal of 499140312 is 213041994.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499140311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55764 + ... + 64092.

It is an arithmetic number, because the mean of its divisors is an integer number (21366450).

Almost surely, 2^499140312 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 499140312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683726400).

499140312 is an abundant number, since it is smaller than the sum of its proper divisors (868312488).

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

499140312 is a wasteful number, since it uses less digits than its factorization.

499140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8576 (or 8572 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 499140312 is about 22341.4482968316. The cubic root of 499140312 is about 793.2453751473.

The spelling of 499140312 in words is "four hundred ninety-nine million, one hundred forty thousand, three hundred twelve".