8145804084544 has 28 divisors (see below), whose sum is σ = 18473519978464. Its totient is φ = 3491058893184.

The previous prime is 8145804084541. The next prime is 8145804084553. The reversal of 8145804084544 is 4454804085418.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145804084541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9091298754 + ... + 9091299649.

Almost surely, 2^{8145804084544} is an apocalyptic number.

It is an amenable number.

8145804084544 is an abundant number, since it is smaller than the sum of its proper divisors (10327715893920).

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

8145804084544 is a wasteful number, since it uses less digits than its factorization.

8145804084544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18182598422 (or 18182598412 counting only the distinct ones).

The product of its (nonzero) digits is 13107200, while the sum is 55.

The spelling of 8145804084544 in words is "eight trillion, one hundred forty-five billion, eight hundred four million, eighty-four thousand, five hundred forty-four".