499233280 has 160 divisors (see below), whose sum is σ = 1473905664. Its totient is φ = 157925376.

The previous prime is 499233277. The next prime is 499233353. The reversal of 499233280 is 82332994.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231889 + ... + 234031.

Almost surely, 2^499233280 is an apocalyptic number.

499233280 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 499233280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736952832).

499233280 is an abundant number, since it is smaller than the sum of its proper divisors (974672384).

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

499233280 is a wasteful number, since it uses less digits than its factorization.

499233280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 499233280 is about 22343.5288170871. The cubic root of 499233280 is about 793.2946210582.

It can be divided in two parts, 49 and 9233280, that added together give a palindrome (9233329).

The spelling of 499233280 in words is "four hundred ninety-nine million, two hundred thirty-three thousand, two hundred eighty".