8001393536 has 32 divisors (see below), whose sum is σ = 16877944080. Its totient is φ = 3765360640.

The previous prime is 8001393527. The next prime is 8001393559. The reversal of 8001393536 is 6353931008.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 8001393536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836380 + ... + 1840731.

Almost surely, 2^8001393536 is an apocalyptic number.

It is an amenable number.

8001393536 is an abundant number, since it is smaller than the sum of its proper divisors (8876550544).

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

8001393536 is a wasteful number, since it uses less digits than its factorization.

8001393536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677142 (or 3677130 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 8001393536 is about 89450.5088638405. The cubic root of 8001393536 is about 2000.1161212578.

The spelling of 8001393536 in words is "eight billion, one million, three hundred ninety-three thousand, five hundred thirty-six".