499523760 has 200 divisors, whose sum is σ = 1749526416. Its totient is φ = 132088320.

The previous prime is 499523749. The next prime is 499523777. The reversal of 499523760 is 67325994.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1017115 + ... + 1017605.

Almost surely, 2^499523760 is an apocalyptic number.

499523760 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 499523760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874763208).

499523760 is an abundant number, since it is smaller than the sum of its proper divisors (1250002656).

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

499523760 is a wasteful number, since it uses less digits than its factorization.

499523760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 499523760 is about 22350.0281879017. The cubic root of 499523760 is about 793.4484513095.

The spelling of 499523760 in words is "four hundred ninety-nine million, five hundred twenty-three thousand, seven hundred sixty".