499305960 has 96 divisors (see below), whose sum is σ = 1626885000. Its totient is φ = 132808704.

The previous prime is 499305941. The next prime is 499305979. The reversal of 499305960 is 69503994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (499305941) and next prime (499305979).

It can be written as a sum of positive squares in 4 ways, for example, as 486731844 + 12574116 = 22062^2 + 3546^2 .

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 23 ways as a sum of consecutive naturals, for example, 160096 + ... + 163184.

Almost surely, 2^499305960 is an apocalyptic number.

499305960 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 499305960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813442500).

499305960 is an abundant number, since it is smaller than the sum of its proper divisors (1127579040).

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

499305960 is a wasteful number, since it uses less digits than its factorization.

499305960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 499305960 is about 22345.1551795909. The cubic root of 499305960 is about 793.3331159914. Note that the first 3 decimals are identical.

The spelling of 499305960 in words is "four hundred ninety-nine million, three hundred five thousand, nine hundred sixty".