499763436840 has 512 divisors, whose sum is σ = 1816318080000. Its totient is φ = 121843814400.

The previous prime is 499763436829. The next prime is 499763436911. The reversal of 499763436840 is 48634367994.

499763436840 is a `hidden beast` number, since 4 + 99 + 76 + 3 + 436 + 8 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72752926 + ... + 72759794.

It is an arithmetic number, because the mean of its divisors is an integer number (3547496250).

Almost surely, 2^499763436840 is an apocalyptic number.

499763436840 is a gapful number since it is divisible by the number (40) 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 499763436840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908159040000).

499763436840 is an abundant number, since it is smaller than the sum of its proper divisors (1316554643160).

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

499763436840 is a wasteful number, since it uses less digits than its factorization.

499763436840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 499763436840 in words is "four hundred ninety-nine billion, seven hundred sixty-three million, four hundred thirty-six thousand, eight hundred forty".