8147944032 has 48 divisors (see below), whose sum is σ = 21393091440. Its totient is φ = 2715379712.

The previous prime is 8147944027. The next prime is 8147944087. The reversal of 8147944032 is 2304497418.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717148 + ... + 728420.

It is an arithmetic number, because the mean of its divisors is an integer number (445689405).

Almost surely, 2^8147944032 is an apocalyptic number.

It is an amenable number.

8147944032 is an abundant number, since it is smaller than the sum of its proper divisors (13245147408).

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

8147944032 is a wasteful number, since it uses less digits than its factorization.

8147944032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18815 (or 18807 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 8147944032 is about 90265.9627545178. The cubic root of 8147944032 is about 2012.2534425877.

The spelling of 8147944032 in words is "eight billion, one hundred forty-seven million, nine hundred forty-four thousand, thirty-two".