6240542664 has 32 divisors (see below), whose sum is σ = 15895725120. Its totient is φ = 2040931776.

The previous prime is 6240542653. The next prime is 6240542753. The reversal of 6240542664 is 4662450426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451772 + ... + 2454315.

It is an arithmetic number, because the mean of its divisors is an integer number (496741410).

Almost surely, 2^6240542664 is an apocalyptic number.

It is an amenable number.

6240542664 is an abundant number, since it is smaller than the sum of its proper divisors (9655182456).

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

6240542664 is a wasteful number, since it uses less digits than its factorization.

6240542664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906149 (or 4906145 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 6240542664 is about 78997.1054153252. The cubic root of 6240542664 is about 1841.0861836652.

The spelling of 6240542664 in words is "six billion, two hundred forty million, five hundred forty-two thousand, six hundred sixty-four".