499812139008 has 704 divisors, whose sum is σ = 1841466789120. Its totient is φ = 130459631616.

The previous prime is 499812138989. The next prime is 499812139039. The reversal of 499812139008 is 800931218994.

499812139008 is a `hidden beast` number, since 49 + 98 + 121 + 390 + 0 + 8 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 5152702416 + ... + 5152702512.

Almost surely, 2^499812139008 is an apocalyptic number.

499812139008 is a gapful number since it is divisible by the number (48) 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 499812139008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920733394560).

499812139008 is an abundant number, since it is smaller than the sum of its proper divisors (1341654650112).

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

499812139008 is an frugal number, since it uses more digits than its factorization.

499812139008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 499812139008 in words is "four hundred ninety-nine billion, eight hundred twelve million, one hundred thirty-nine thousand, eight".