4243587642 has 48 divisors (see below), whose sum is σ = 11060986560. Its totient is φ = 1148639616.

The previous prime is 4243587637. The next prime is 4243587659. The reversal of 4243587642 is 2467853424.

It is a happy number.

4243587642 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 587 + 64 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883903 + ... + 888690.

It is an arithmetic number, because the mean of its divisors is an integer number (230437220).

Almost surely, 2^4243587642 is an apocalyptic number.

4243587642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4243587642 is an abundant number, since it is smaller than the sum of its proper divisors (6817398918).

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

4243587642 is a wasteful number, since it uses less digits than its factorization.

4243587642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772627 (or 1772624 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 4243587642 is about 65142.8249464206. The cubic root of 4243587642 is about 1618.9908415384.

The spelling of 4243587642 in words is "four billion, two hundred forty-three million, five hundred eighty-seven thousand, six hundred forty-two".