499597020 has 288 divisors, whose sum is σ = 1821718080. Its totient is φ = 109486080.

The previous prime is 499597019. The next prime is 499597057. The reversal of 499597020 is 20795994.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 755490 + ... + 756150.

It is an arithmetic number, because the mean of its divisors is an integer number (6325410).

Almost surely, 2^499597020 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 499597020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910859040).

499597020 is an abundant number, since it is smaller than the sum of its proper divisors (1322121060).

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

499597020 is a wasteful number, since it uses less digits than its factorization.

499597020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 499597020 is about 22351.6670519225. The cubic root of 499597020 is about 793.4872383814.

The spelling of 499597020 in words is "four hundred ninety-nine million, five hundred ninety-seven thousand, twenty".