6232640305 has 8 divisors (see below), whose sum is σ = 7494040512. Its totient is φ = 4976197488.

The previous prime is 6232640273. The next prime is 6232640329. The reversal of 6232640305 is 5030462326.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6232640305 - 2⁵ = 6232640273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236579 + ... + 1241608.

It is an arithmetic number, because the mean of its divisors is an integer number (936755064).

Almost surely, 2^6232640305 is an apocalyptic number.

It is an amenable number.

6232640305 is a deficient number, since it is larger than the sum of its proper divisors (1261400207).

6232640305 is a wasteful number, since it uses less digits than its factorization.

6232640305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478695.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 6232640305 is about 78947.0728083062. The cubic root of 6232640305 is about 1840.3087368869.

The spelling of 6232640305 in words is "six billion, two hundred thirty-two million, six hundred forty thousand, three hundred five".