499504720 has 160 divisors (see below), whose sum is σ = 1394910720. Its totient is φ = 163921920.

The previous prime is 499504717. The next prime is 499504723. The reversal of 499504720 is 27405994.

It is an interprime number because it is at equal distance from previous prime (499504717) and next prime (499504723).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499504723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537216 + ... + 538144.

It is an arithmetic number, because the mean of its divisors is an integer number (8718192).

Almost surely, 2^499504720 is an apocalyptic number.

499504720 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 499504720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697455360).

499504720 is an abundant number, since it is smaller than the sum of its proper divisors (895406000).

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

499504720 is a wasteful number, since it uses less digits than its factorization.

499504720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 499504720 is about 22349.6022335969. The cubic root of 499504720 is about 793.4383700736.

The spelling of 499504720 in words is "four hundred ninety-nine million, five hundred four thousand, seven hundred twenty".