8540239484770 has 32 divisors (see below), whose sum is σ = 17927033328000. Its totient is φ = 2928082107888.

The previous prime is 8540239484767. The next prime is 8540239484771. The reversal of 8540239484770 is 774849320458.

It is a junction number, because it is equal to n+sod(n) for n = 8540239484699 and 8540239484708.

It is not an unprimeable number, because it can be changed into a prime (8540239484771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244929440 + ... + 1244936299.

It is an arithmetic number, because the mean of its divisors is an integer number (560219791500).

Almost surely, 2^{8540239484770} is an apocalyptic number.

8540239484770 is an abundant number, since it is smaller than the sum of its proper divisors (9386793843230).

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

8540239484770 is a wasteful number, since it uses less digits than its factorization.

8540239484770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489865767 (or 2489865753 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 8540239484770 in words is "eight trillion, five hundred forty billion, two hundred thirty-nine million, four hundred eighty-four thousand, seven hundred seventy".