9742340552780 has 144 divisors (see below), whose sum is σ = 22748564485920. Its totient is φ = 3501839278080.

The previous prime is 9742340552699. The next prime is 9742340552827. The reversal of 9742340552780 is 872550432479.

9742340552780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73261991 + ... + 73394849.

Almost surely, 2^{9742340552780} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9742340552780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374282242960).

9742340552780 is an abundant number, since it is smaller than the sum of its proper divisors (13006223933140).

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

9742340552780 is a wasteful number, since it uses less digits than its factorization.

9742340552780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133240 (or 133227 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 9742340552780 in words is "nine trillion, seven hundred forty-two billion, three hundred forty million, five hundred fifty-two thousand, seven hundred eighty".