4243242564 has 96 divisors (see below), whose sum is σ = 12632793600. Its totient is φ = 1218149280.

The previous prime is 4243242541. The next prime is 4243242629. The reversal of 4243242564 is 4652423424.

4243242564 is a `hidden beast` number, since 4 + 24 + 32 + 42 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 71422 + ... + 116565.

It is an arithmetic number, because the mean of its divisors is an integer number (131591600).

Almost surely, 2^4243242564 is an apocalyptic number.

4243242564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4243242564 is an abundant number, since it is smaller than the sum of its proper divisors (8389551036).

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

4243242564 is a wasteful number, since it uses less digits than its factorization.

4243242564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188030 (or 188022 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

The square root of 4243242564 is about 65140.1762662644. The cubic root of 4243242564 is about 1618.9469562450.

Adding to 4243242564 its reverse (4652423424), we get a palindrome (8895665988).

The spelling of 4243242564 in words is "four billion, two hundred forty-three million, two hundred forty-two thousand, five hundred sixty-four".