499268578248 has 640 divisors, whose sum is σ = 1674376704000. Its totient is φ = 137308608000.

The previous prime is 499268578243. The next prime is 499268578261. The reversal of 499268578248 is 842875862994.

499268578248 is a `hidden beast` number, since 4 + 9 + 9 + 2 + 6 + 8 + 578 + 2 + 48 = 666.

499268578248 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×499268578248² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (499268578243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 457624183 + ... + 457625273.

It is an arithmetic number, because the mean of its divisors is an integer number (2616213600).

Almost surely, 2^499268578248 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 499268578248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837188352000).

499268578248 is an abundant number, since it is smaller than the sum of its proper divisors (1175108125752).

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

499268578248 is a wasteful number, since it uses less digits than its factorization.

499268578248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1266 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 499268578248 in words is "four hundred ninety-nine billion, two hundred sixty-eight million, five hundred seventy-eight thousand, two hundred forty-eight".