8442531801 has 64 divisors (see below), whose sum is σ = 14429184000. Its totient is φ = 4824930240.

The previous prime is 8442531787. The next prime is 8442531841. The reversal of 8442531801 is 1081352448.

8442531801 is a `hidden beast` number, since 8 + 4 + 42 + 531 + 80 + 1 = 666.

It is not a de Polignac number, because 8442531801 - 2⁶ = 8442531737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8442531841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1255035 + ... + 1261743.

It is an arithmetic number, because the mean of its divisors is an integer number (225456000).

Almost surely, 2^8442531801 is an apocalyptic number.

It is an amenable number.

8442531801 is a deficient number, since it is larger than the sum of its proper divisors (5986652199).

8442531801 is a wasteful number, since it uses less digits than its factorization.

8442531801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8442531801 is about 91883.2509274677. The cubic root of 8442531801 is about 2036.2178256331.

The spelling of 8442531801 in words is "eight billion, four hundred forty-two million, five hundred thirty-one thousand, eight hundred one".