332640513 has 64 divisors (see below), whose sum is σ = 552614400. Its totient is φ = 199127808.

The previous prime is 332640493. The next prime is 332640541. The reversal of 332640513 is 315046233.

It is a happy number.

332640513 is a `hidden beast` number, since 3 + 3 + 2 + 640 + 5 + 13 = 666.

It is not a de Polignac number, because 332640513 - 2¹⁴ = 332624129 is a prime.

It is a super-2 number, since 2×332640513² = 221299421777806338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (332640613) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 854923 + ... + 855311.

It is an arithmetic number, because the mean of its divisors is an integer number (8634600).

Almost surely, 2^332640513 is an apocalyptic number.

It is an amenable number.

332640513 is a deficient number, since it is larger than the sum of its proper divisors (219973887).

332640513 is an equidigital number, since it uses as much as digits as its factorization.

332640513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 332640513 is about 18238.4350479969. The cubic root of 332640513 is about 692.8805663632.

Adding to 332640513 its reverse (315046233), we get a palindrome (647686746).

The spelling of 332640513 in words is "three hundred thirty-two million, six hundred forty thousand, five hundred thirteen".