8242536642 has 16 divisors (see below), whose sum is σ = 17352708960. Its totient is φ = 2602906272.

The previous prime is 8242536641. The next prime is 8242536667. The reversal of 8242536642 is 2466352428.

It is a junction number, because it is equal to n+sod(n) for n = 8242536594 and 8242536603.

It is not an unprimeable number, because it can be changed into a prime (8242536641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36151363 + ... + 36151590.

It is an arithmetic number, because the mean of its divisors is an integer number (1084544310).

Almost surely, 2^8242536642 is an apocalyptic number.

8242536642 is an abundant number, since it is smaller than the sum of its proper divisors (9110172318).

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

8242536642 is a wasteful number, since it uses less digits than its factorization.

8242536642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72302977.

The product of its digits is 552960, while the sum is 42.

The square root of 8242536642 is about 90788.4168933460. The cubic root of 8242536642 is about 2020.0105088824.

The spelling of 8242536642 in words is "eight billion, two hundred forty-two million, five hundred thirty-six thousand, six hundred forty-two".