8154531047730 has 64 divisors (see below), whose sum is σ = 19994228490240. Its totient is φ = 2127534469824.

The previous prime is 8154531047687. The next prime is 8154531047731. The reversal of 8154531047730 is 377401354518.

It is a self number, because there is not a number n which added to its sum of digits gives 8154531047730.

It is not an unprimeable number, because it can be changed into a prime (8154531047731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3054987 + ... + 5063793.

It is an arithmetic number, because the mean of its divisors is an integer number (312409820160).

Almost surely, 2^{8154531047730} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8154531047730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9997114245120).

8154531047730 is an abundant number, since it is smaller than the sum of its proper divisors (11839697442510).

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

8154531047730 is a wasteful number, since it uses less digits than its factorization.

8154531047730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011743.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 8154531047730 in words is "eight trillion, one hundred fifty-four billion, five hundred thirty-one million, forty-seven thousand, seven hundred thirty".