499978752 has 320 divisors, whose sum is σ = 1695724800. Its totient is φ = 130056192.

The previous prime is 499978751. The next prime is 499978811. The reversal of 499978752 is 257879994.

Its product of digits (11430720) is a multiple of the sum of its prime divisors (98).

It is not an unprimeable number, because it can be changed into a prime (499978751) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6848988 + ... + 6849060.

It is an arithmetic number, because the mean of its divisors is an integer number (5299140).

Almost surely, 2^499978752 is an apocalyptic number.

499978752 is a gapful number since it is divisible by the number (42) 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 499978752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847862400).

499978752 is an abundant number, since it is smaller than the sum of its proper divisors (1195746048).

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

499978752 is an equidigital number, since it uses as much as digits as its factorization.

499978752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 98 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The square root of 499978752 is about 22360.2046502263. The cubic root of 499978752 is about 793.6892827923.

The spelling of 499978752 in words is "four hundred ninety-nine million, nine hundred seventy-eight thousand, seven hundred fifty-two".