511324320 has 96 divisors (see below), whose sum is σ = 1734590592. Its totient is φ = 125862912.

The previous prime is 511324301. The next prime is 511324361. The reversal of 511324320 is 23423115.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×511324320² = 522905120446924800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34732 + ... + 47211.

It is an arithmetic number, because the mean of its divisors is an integer number (18068652).

Almost surely, 2^511324320 is an apocalyptic number.

It is an amenable number.

511324320 is an abundant number, since it is smaller than the sum of its proper divisors (1223266272).

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

511324320 is a wasteful number, since it uses less digits than its factorization.

511324320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81974 (or 81966 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 511324320 is about 22612.4815091135. The cubic root of 511324320 is about 799.6479284131.

Adding to 511324320 its reverse (23423115), we get a palindrome (534747435).

The spelling of 511324320 in words is "five hundred eleven million, three hundred twenty-four thousand, three hundred twenty".