8154384256 has 32 divisors (see below), whose sum is σ = 16805244600. Its totient is φ = 3936597504.

The previous prime is 8154384233. The next prime is 8154384257. The reversal of 8154384256 is 6524834518.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154384257) 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, 1094670 + ... + 1102093.

Almost surely, 2^8154384256 is an apocalyptic number.

It is an amenable number.

8154384256 is an abundant number, since it is smaller than the sum of its proper divisors (8650860344).

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

8154384256 is a wasteful number, since it uses less digits than its factorization.

8154384256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196806 (or 2196794 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 8154384256 is about 90301.6293097749. The cubic root of 8154384256 is about 2012.7834720019.

The spelling of 8154384256 in words is "eight billion, one hundred fifty-four million, three hundred eighty-four thousand, two hundred fifty-six".