499493334720 has 224 divisors, whose sum is σ = 1704880512000. Its totient is φ = 123502731264.

The previous prime is 499493334719. The next prime is 499493334751. The reversal of 499493334720 is 27433394994.

It is a Harshad number since it is a multiple of its sum of digits (57).

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 31 ways as a sum of consecutive naturals, for example, 565956 + ... + 1148604.

Almost surely, 2^499493334720 is an apocalyptic number.

499493334720 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 499493334720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852440256000).

499493334720 is an abundant number, since it is smaller than the sum of its proper divisors (1205387177280).

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

499493334720 is a wasteful number, since it uses less digits than its factorization.

499493334720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582735 (or 582725 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 499493334720 in words is "four hundred ninety-nine billion, four hundred ninety-three million, three hundred thirty-four thousand, seven hundred twenty".